diff --git a/.gitignore b/.gitignore
new file mode 100644
index 00000000..ba5cb5cc
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,26 @@
+HELP.md
+/target/
+!.mvn/wrapper/maven-wrapper.jar
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+/build/
diff --git a/.mvn/wrapper/MavenWrapperDownloader.java b/.mvn/wrapper/MavenWrapperDownloader.java
new file mode 100644
index 00000000..042d184c
--- /dev/null
+++ b/.mvn/wrapper/MavenWrapperDownloader.java
@@ -0,0 +1,114 @@
+/*
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+*/
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.net.URL;
+import java.nio.channels.Channels;
+import java.nio.channels.ReadableByteChannel;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+    /**
+     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+     */
+    private static final String DEFAULT_DOWNLOAD_URL =
+            "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar";
+
+    /**
+     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+     * use instead of the default one.
+     */
+    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+            ".mvn/wrapper/maven-wrapper.properties";
+
+    /**
+     * Path where the maven-wrapper.jar will be saved to.
+     */
+    private static final String MAVEN_WRAPPER_JAR_PATH =
+            ".mvn/wrapper/maven-wrapper.jar";
+
+    /**
+     * Name of the property which should be used to override the default download url for the wrapper.
+     */
+    private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+    public static void main(String args[]) {
+        System.out.println("- Downloader started");
+        File baseDirectory = new File(args[0]);
+        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+        // If the maven-wrapper.properties exists, read it and check if it contains a custom
+        // wrapperUrl parameter.
+        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+        String url = DEFAULT_DOWNLOAD_URL;
+        if (mavenWrapperPropertyFile.exists()) {
+            FileInputStream mavenWrapperPropertyFileInputStream = null;
+            try {
+                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+                Properties mavenWrapperProperties = new Properties();
+                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+            } catch (IOException e) {
+                System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+            } finally {
+                try {
+                    if (mavenWrapperPropertyFileInputStream != null) {
+                        mavenWrapperPropertyFileInputStream.close();
+                    }
+                } catch (IOException e) {
+                    // Ignore ...
+                }
+            }
+        }
+        System.out.println("- Downloading from: : " + url);
+
+        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+        if (!outputFile.getParentFile().exists()) {
+            if (!outputFile.getParentFile().mkdirs()) {
+                System.out.println(
+                        "- ERROR creating output direcrory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+            }
+        }
+        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+        try {
+            downloadFileFromURL(url, outputFile);
+            System.out.println("Done");
+            System.exit(0);
+        } catch (Throwable e) {
+            System.out.println("- Error downloading");
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        URL website = new URL(urlString);
+        ReadableByteChannel rbc;
+        rbc = Channels.newChannel(website.openStream());
+        FileOutputStream fos = new FileOutputStream(destination);
+        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+        fos.close();
+        rbc.close();
+    }
+
+}
diff --git a/.mvn/wrapper/maven-wrapper.jar b/.mvn/wrapper/maven-wrapper.jar
new file mode 100644
index 00000000..01e67997
Binary files /dev/null and b/.mvn/wrapper/maven-wrapper.jar differ
diff --git a/.mvn/wrapper/maven-wrapper.properties b/.mvn/wrapper/maven-wrapper.properties
new file mode 100644
index 00000000..cd0d451c
--- /dev/null
+++ b/.mvn/wrapper/maven-wrapper.properties
@@ -0,0 +1 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.0/apache-maven-3.6.0-bin.zip
diff --git a/data.sql b/data.sql
deleted file mode 100644
index bb6ea523..00000000
--- a/data.sql
+++ /dev/null
@@ -1,25 +0,0 @@
-INSERT INTO section (sectionid, name) VALUES (1, 'Fiction');
-INSERT INTO section (sectionid, name) VALUES (2, 'Technology');
-INSERT INTO section (sectionid, name) VALUES (3, 'Travel');
-INSERT INTO section (sectionid, name) VALUES (4, 'Business');
-INSERT INTO section (sectionid, name) VALUES (5, 'Religion');
-
-INSERT INTO author (authorid, fname, lname) VALUES (1, 'John', 'Mitchell');
-INSERT INTO author (authorid, fname, lname) VALUES (2, 'Dan', 'Brown');
-INSERT INTO author (authorid, fname, lname) VALUES (3, 'Jerry', 'Poe');
-INSERT INTO author (authorid, fname, lname) VALUES (4, 'Wells', 'Teague');
-INSERT INTO author (authorid, fname, lname) VALUES (5, 'George', 'Gallinger');
-INSERT INTO author (authorid, fname, lname) VALUES (6, 'Ian', 'Stewart');
-
-INSERT INTO book (bookid, title, ISBN, copy, sectionid) VALUES (1, 'Flatterland', '9780738206752', 2001, 1);
-INSERT INTO book (bookid, title, ISBN, copy, sectionid) VALUES (2, 'Digital Fortess', '9788489367012', 2007, 1);
-INSERT INTO book (bookid, title, ISBN, copy, sectionid) VALUES (3, 'The Da Vinci Code', '9780307474278', 2009, 1);
-INSERT INTO book (bookid, title, ISBN, copy, sectionid) VALUES (4, 'Essentials of Finance', '1314241651234', NULL, 4);
-INSERT INTO book (bookid, title, ISBN, copy, sectionid) VALUES (5, 'Calling Texas Home', '1885171382134', 2000, 3);
-
-INSERT INTO wrote (bookid, authorid) VALUES (1, 6);
-INSERT INTO wrote (bookid, authorid) VALUES (2, 2);
-INSERT INTO wrote (bookid, authorid) VALUES (3, 2);
-INSERT INTO wrote (bookid, authorid) VALUES (4, 5);
-INSERT INTO wrote (bookid, authorid) VALUES (4, 3);
-INSERT INTO wrote (bookid, authorid) VALUES (5, 4);
diff --git a/mvnw b/mvnw
new file mode 100755
index 00000000..5551fde8
--- /dev/null
+++ b/mvnw
@@ -0,0 +1,286 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven2 Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+#   JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+#   M2_HOME - location of maven2's installed home dir
+#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
+#     e.g. to debug Maven itself, use
+#       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+#   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+  if [ -f /etc/mavenrc ] ; then
+    . /etc/mavenrc
+  fi
+
+  if [ -f "$HOME/.mavenrc" ] ; then
+    . "$HOME/.mavenrc"
+  fi
+
+fi
+
+# OS specific support.  $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+  CYGWIN*) cygwin=true ;;
+  MINGW*) mingw=true;;
+  Darwin*) darwin=true
+    # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+    # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+    if [ -z "$JAVA_HOME" ]; then
+      if [ -x "/usr/libexec/java_home" ]; then
+        export JAVA_HOME="`/usr/libexec/java_home`"
+      else
+        export JAVA_HOME="/Library/Java/Home"
+      fi
+    fi
+    ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=`java-config --jre-home`
+  fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+  ## resolve links - $0 may be a link to maven's home
+  PRG="$0"
+
+  # need this for relative symlinks
+  while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+      PRG="$link"
+    else
+      PRG="`dirname "$PRG"`/$link"
+    fi
+  done
+
+  saveddir=`pwd`
+
+  M2_HOME=`dirname "$PRG"`/..
+
+  # make it fully qualified
+  M2_HOME=`cd "$M2_HOME" && pwd`
+
+  cd "$saveddir"
+  # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --unix "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME="`(cd "$M2_HOME"; pwd)`"
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+  # TODO classpath?
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+  javaExecutable="`which javac`"
+  if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+    # readlink(1) is not available as standard on Solaris 10.
+    readLink=`which readlink`
+    if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+      if $darwin ; then
+        javaHome="`dirname \"$javaExecutable\"`"
+        javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+      else
+        javaExecutable="`readlink -f \"$javaExecutable\"`"
+      fi
+      javaHome="`dirname \"$javaExecutable\"`"
+      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+      JAVA_HOME="$javaHome"
+      export JAVA_HOME
+    fi
+  fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+  if [ -n "$JAVA_HOME"  ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+    fi
+  else
+    JAVACMD="`which java`"
+  fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+  echo "Error: JAVA_HOME is not defined correctly." >&2
+  echo "  We cannot execute $JAVACMD" >&2
+  exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+  echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+
+  if [ -z "$1" ]
+  then
+    echo "Path not specified to find_maven_basedir"
+    return 1
+  fi
+
+  basedir="$1"
+  wdir="$1"
+  while [ "$wdir" != '/' ] ; do
+    if [ -d "$wdir"/.mvn ] ; then
+      basedir=$wdir
+      break
+    fi
+    # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+    if [ -d "${wdir}" ]; then
+      wdir=`cd "$wdir/.."; pwd`
+    fi
+    # end of workaround
+  done
+  echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+  if [ -f "$1" ]; then
+    echo "$(tr -s '\n' ' ' < "$1")"
+  fi
+}
+
+BASE_DIR=`find_maven_basedir "$(pwd)"`
+if [ -z "$BASE_DIR" ]; then
+  exit 1;
+fi
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Found .mvn/wrapper/maven-wrapper.jar"
+    fi
+else
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
+    fi
+    jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
+    while IFS="=" read key value; do
+      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
+      esac
+    done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Downloading from: $jarUrl"
+    fi
+    wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+
+    if command -v wget > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found wget ... using wget"
+        fi
+        wget "$jarUrl" -O "$wrapperJarPath"
+    elif command -v curl > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found curl ... using curl"
+        fi
+        curl -o "$wrapperJarPath" "$jarUrl"
+    else
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Falling back to using Java to download"
+        fi
+        javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+        if [ -e "$javaClass" ]; then
+            if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Compiling MavenWrapperDownloader.java ..."
+                fi
+                # Compiling the Java class
+                ("$JAVA_HOME/bin/javac" "$javaClass")
+            fi
+            if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                # Running the downloader
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Running MavenWrapperDownloader.java ..."
+                fi
+                ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
+            fi
+        fi
+    fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
+if [ "$MVNW_VERBOSE" = true ]; then
+  echo $MAVEN_PROJECTBASEDIR
+fi
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --path --windows "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+  [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+    MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
+fi
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+  $MAVEN_OPTS \
+  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+  "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
diff --git a/mvnw.cmd b/mvnw.cmd
new file mode 100644
index 00000000..e5cfb0ae
--- /dev/null
+++ b/mvnw.cmd
@@ -0,0 +1,161 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    http://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven2 Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing my setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
+if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
+FOR /F "tokens=1,2 delims==" %%A IN (%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties) DO (
+	IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B 
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+    echo Found %WRAPPER_JAR%
+) else (
+    echo Couldn't find %WRAPPER_JAR%, downloading it ...
+	echo Downloading from: %DOWNLOAD_URL%
+    powershell -Command "(New-Object Net.WebClient).DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"
+    echo Finished downloading %WRAPPER_JAR%
+)
+@REM End of extension
+
+%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
+if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%" == "on" pause
+
+if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
+
+exit /B %ERROR_CODE%
diff --git a/pom.xml b/pom.xml
new file mode 100644
index 00000000..520c861e
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,119 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.1.3.RELEASE</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+    <groupId>com.abrahambueno</groupId>
+    <artifactId>librarybooks</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>librarybooks</name>
+    <description>Library with books project for Spring Boot</description>
+
+    <properties>
+        <java.version>11</java.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-hateoas</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-devtools</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+            <version>2.9.8</version>
+        </dependency>
+
+        <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-annotations -->
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-annotations</artifactId>
+            <version>2.9.8</version>
+        </dependency>
+
+        <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>8.0.15</version>
+        </dependency>
+        <dependency>
+            <groupId>io.springfox</groupId>
+            <artifactId>springfox-swagger-ui</artifactId>
+            <version>2.9.2</version>
+        </dependency>
+        <dependency>
+            <groupId>io.springfox</groupId>
+            <artifactId>springfox-swagger2</artifactId>
+            <version>2.9.2</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/org.springframework.security.oauth/spring-security-oauth2 -->
+        <dependency>
+            <groupId>org.springframework.security.oauth</groupId>
+            <artifactId>spring-security-oauth2</artifactId>
+            <version>2.3.5.RELEASE</version>
+        </dependency>
+
+        <!-- https://mvnrepository.com/artifact/javax.xml.bind/jaxb-api -->
+        <dependency>
+            <groupId>javax.xml.bind</groupId>
+            <artifactId>jaxb-api</artifactId>
+            <version>2.3.1</version>
+        </dependency>
+
+        <!-- https://mvnrepository.com/artifact/javax.activation/activation -->
+        <dependency>
+            <groupId>javax.activation</groupId>
+            <artifactId>activation</artifactId>
+            <version>1.1.1</version>
+        </dependency>
+
+        <!-- https://mvnrepository.com/artifact/org.glassfish.jaxb/jaxb-runtime -->
+        <dependency>
+            <groupId>org.glassfish.jaxb</groupId>
+            <artifactId>jaxb-runtime</artifactId>
+            <version>2.3.2</version>
+        </dependency>
+
+        <!-- https://mvnrepository.com/artifact/org.apache.commons/commons-dbcp2 -->
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-dbcp2</artifactId>
+            <version>2.6.0</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
diff --git a/src/main/java/com/abrahambueno/librarybooks/LibrarybooksApplication.java b/src/main/java/com/abrahambueno/librarybooks/LibrarybooksApplication.java
new file mode 100644
index 00000000..f4522805
--- /dev/null
+++ b/src/main/java/com/abrahambueno/librarybooks/LibrarybooksApplication.java
@@ -0,0 +1,13 @@
+package com.abrahambueno.librarybooks;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class LibrarybooksApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(LibrarybooksApplication.class, args);
+    }
+
+}
diff --git a/src/main/java/com/abrahambueno/librarybooks/config/AuthorizationServerConfig.java b/src/main/java/com/abrahambueno/librarybooks/config/AuthorizationServerConfig.java
new file mode 100644
index 00000000..99d3a865
--- /dev/null
+++ b/src/main/java/com/abrahambueno/librarybooks/config/AuthorizationServerConfig.java
@@ -0,0 +1,53 @@
+package com.abrahambueno.librarybooks.config;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.authentication.AuthenticationManager;
+import org.springframework.security.oauth2.config.annotation.configurers.ClientDetailsServiceConfigurer;
+import org.springframework.security.oauth2.config.annotation.web.configuration.AuthorizationServerConfigurerAdapter;
+import org.springframework.security.oauth2.config.annotation.web.configuration.EnableAuthorizationServer;
+import org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerEndpointsConfigurer;
+import org.springframework.security.oauth2.provider.token.TokenStore;
+
+@Configuration
+@EnableAuthorizationServer
+public class AuthorizationServerConfig extends AuthorizationServerConfigurerAdapter
+{
+
+    static final String CLIENT_ID = "lambda-client";
+    static final String CLIENT_SECRET = "lambda-secret";
+    static final String GRANT_TYPE_PASSWORD = "password";
+    static final String AUTHORIZATION_CODE = "authorization_code";
+    static final String REFRESH_TOKEN = "refresh_token";
+    static final String IMPLICIT = "implicit";
+    static final String SCOPE_READ = "read";
+    static final String SCOPE_WRITE = "write";
+    static final String TRUST = "trust";
+    static final int ACCESS_TOKEN_VALIDITY_SECONDS = 1*60*60;
+    static final int FREFRESH_TOKEN_VALIDITY_SECONDS = 6*60*60;
+
+    @Autowired
+    private TokenStore tokenStore;
+
+    @Autowired
+    private AuthenticationManager authenticationManager;
+
+    @Override
+    public void configure(ClientDetailsServiceConfigurer configurer) throws Exception {
+
+        configurer
+                .inMemory()
+                .withClient(CLIENT_ID)
+                .secret(CLIENT_SECRET)
+                .authorizedGrantTypes(GRANT_TYPE_PASSWORD, AUTHORIZATION_CODE, REFRESH_TOKEN, IMPLICIT )
+                .scopes(SCOPE_READ, SCOPE_WRITE, TRUST)
+                .accessTokenValiditySeconds(ACCESS_TOKEN_VALIDITY_SECONDS)
+                .refreshTokenValiditySeconds(FREFRESH_TOKEN_VALIDITY_SECONDS);
+    }
+
+    @Override
+    public void configure(AuthorizationServerEndpointsConfigurer endpoints) throws Exception {
+        endpoints.tokenStore(tokenStore)
+                .authenticationManager(authenticationManager);
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/abrahambueno/librarybooks/config/NoOpPasswordEncoder.java b/src/main/java/com/abrahambueno/librarybooks/config/NoOpPasswordEncoder.java
new file mode 100644
index 00000000..b4011392
--- /dev/null
+++ b/src/main/java/com/abrahambueno/librarybooks/config/NoOpPasswordEncoder.java
@@ -0,0 +1,28 @@
+package com.abrahambueno.librarybooks.config;
+
+import org.springframework.security.crypto.password.PasswordEncoder;
+
+public final class NoOpPasswordEncoder implements PasswordEncoder
+{
+
+    public String encode(CharSequence rawPassword) {
+        return rawPassword.toString();
+    }
+
+    public boolean matches(CharSequence rawPassword, String encodedPassword) {
+        return rawPassword.toString().equals(encodedPassword);
+    }
+
+    /**
+     * Get the singleton {@link NoOpPasswordEncoder}.
+     */
+    public static PasswordEncoder getInstance() {
+        return INSTANCE;
+    }
+
+    private static final PasswordEncoder INSTANCE = new NoOpPasswordEncoder();
+
+    public NoOpPasswordEncoder() {
+    }
+
+}
\ No newline at end of file
diff --git a/src/main/java/com/abrahambueno/librarybooks/config/ResourceServerConfig.java b/src/main/java/com/abrahambueno/librarybooks/config/ResourceServerConfig.java
new file mode 100644
index 00000000..310145b0
--- /dev/null
+++ b/src/main/java/com/abrahambueno/librarybooks/config/ResourceServerConfig.java
@@ -0,0 +1,49 @@
+package com.abrahambueno.librarybooks.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.oauth2.config.annotation.web.configuration.EnableResourceServer;
+import org.springframework.security.oauth2.config.annotation.web.configuration.ResourceServerConfigurerAdapter;
+import org.springframework.security.oauth2.config.annotation.web.configurers.ResourceServerSecurityConfigurer;
+import org.springframework.security.oauth2.provider.error.OAuth2AccessDeniedHandler;
+
+@Configuration
+@EnableResourceServer
+public class ResourceServerConfig extends ResourceServerConfigurerAdapter
+{
+
+    private static final String RESOURCE_ID = "resource_id";
+
+    @Override
+    public void configure(ResourceServerSecurityConfigurer resources)
+    {
+        resources.resourceId(RESOURCE_ID).stateless(false);
+    }
+
+//    @Override
+//    public void configure(HttpSecurity http) throws Exception
+//    {
+//        http.
+//                anonymous().disable()
+//                .authorizeRequests()
+//                .antMatchers("/admin/**").access("hasRole('ROLE_ADMIN')")
+////                .antMatchers("/users/**").access("hasRole('ROLE_ADMIN')")
+////                .antMatchers("/courses/**").access("hasRole('ROLE_USER')")
+////                .antMatchers("/students/**").access("hasRole('ROLE_USER')")
+//                .and().exceptionHandling().accessDeniedHandler(new OAuth2AccessDeniedHandler());
+//    }
+
+    @Override
+    public void configure(HttpSecurity http) throws Exception
+    {
+        http.
+                anonymous().disable()
+                .authorizeRequests()
+                .antMatchers("/users/**").access("hasAnyRole('ROLE_MGR')")
+                .antMatchers("/data/**").access("hasAnyRole('ROLE_DATA')")
+                .antMatchers("/authors/**").access("hasAnyRole('ROLE_MGR','ROLE_USER')")
+                .antMatchers("/books/**").access("hasAnyRole('ROLE_MGR','ROLE_USER')")
+                .antMatchers("/sections/**").access("hasAnyRole('ROLE_MGR','ROLE_USER')")
+                .and().exceptionHandling().accessDeniedHandler(new OAuth2AccessDeniedHandler());
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/abrahambueno/librarybooks/config/SecurityConfig.java b/src/main/java/com/abrahambueno/librarybooks/config/SecurityConfig.java
new file mode 100644
index 00000000..58c9e51d
--- /dev/null
+++ b/src/main/java/com/abrahambueno/librarybooks/config/SecurityConfig.java
@@ -0,0 +1,77 @@
+package com.abrahambueno.librarybooks.config;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.web.servlet.FilterRegistrationBean;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.HttpMethod;
+import org.springframework.security.authentication.AuthenticationManager;
+import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
+import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+import org.springframework.security.core.userdetails.UserDetailsService;
+import org.springframework.security.oauth2.provider.token.TokenStore;
+import org.springframework.security.oauth2.provider.token.store.InMemoryTokenStore;
+import org.springframework.web.cors.CorsConfiguration;
+import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
+import org.springframework.web.filter.CorsFilter;
+
+import javax.annotation.Resource;
+
+@Configuration
+@EnableWebSecurity
+@EnableGlobalMethodSecurity(prePostEnabled = true)
+public class SecurityConfig extends WebSecurityConfigurerAdapter {
+
+    @Resource(name = "userService")
+    private UserDetailsService userDetailsService;
+
+    @Override
+    @Bean
+    public AuthenticationManager authenticationManagerBean() throws Exception {
+        return super.authenticationManagerBean();
+    }
+
+    @Autowired
+    public void globalUserDetails(AuthenticationManagerBuilder auth) throws Exception {
+        auth.userDetailsService(userDetailsService)
+                .passwordEncoder(encoder());
+    }
+
+    @Override
+    protected void configure(HttpSecurity http) throws Exception {
+        http
+                .csrf().disable()
+                .anonymous().disable()
+                .authorizeRequests()
+                .antMatchers(HttpMethod.OPTIONS).permitAll()
+                .antMatchers("/api-docs/**").permitAll()
+        ;
+    }
+
+    @Bean
+    public TokenStore tokenStore() {
+        return new InMemoryTokenStore();
+    }
+
+    @Bean
+    public NoOpPasswordEncoder encoder() {
+        return new NoOpPasswordEncoder();
+    }
+
+    @Bean
+    public FilterRegistrationBean corsFilter() {
+        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
+        CorsConfiguration config = new CorsConfiguration();
+        config.setAllowCredentials(true);
+        config.addAllowedOrigin("*");
+        config.addAllowedHeader("*");
+        config.addAllowedMethod("*");
+        source.registerCorsConfiguration("/**", config);
+        FilterRegistrationBean bean = new FilterRegistrationBean(new CorsFilter(source));
+        bean.setOrder(0);
+        return bean;
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/abrahambueno/librarybooks/config/Swagger2Config.java b/src/main/java/com/abrahambueno/librarybooks/config/Swagger2Config.java
new file mode 100644
index 00000000..1334570a
--- /dev/null
+++ b/src/main/java/com/abrahambueno/librarybooks/config/Swagger2Config.java
@@ -0,0 +1,38 @@
+package com.abrahambueno.librarybooks.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import springfox.documentation.builders.ApiInfoBuilder;
+import springfox.documentation.builders.PathSelectors;
+import springfox.documentation.builders.RequestHandlerSelectors;
+import springfox.documentation.service.ApiInfo;
+import springfox.documentation.service.Contact;
+import springfox.documentation.spi.DocumentationType;
+import springfox.documentation.spring.web.plugins.Docket;
+import springfox.documentation.swagger2.annotations.EnableSwagger2;
+
+@Configuration
+@EnableSwagger2
+public class Swagger2Config
+{
+    @Bean
+    public Docket api()
+    {
+        return new Docket(DocumentationType.SWAGGER_2).select()
+                .apis(RequestHandlerSelectors
+                        .basePackage("com.lambdaschool.ourcourses"))
+                .paths(PathSelectors.regex("/.*"))
+                .build().apiInfo(apiEndPointsInfo());
+    }
+
+    private ApiInfo apiEndPointsInfo()
+    {
+        return new ApiInfoBuilder().title("Our Courses")
+                .description("Our Courses")
+                .contact(new Contact("John Mitchell", "http://www.lambdaschool.com", "john@lambdaschool.com"))
+                .license("MIT")
+                .licenseUrl("https://github.com/LambdaSchool/java-crudysnacks/blob/master/LICENSE")
+                .version("1.0.0")
+                .build();
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/abrahambueno/librarybooks/controllers/AdminController.java b/src/main/java/com/abrahambueno/librarybooks/controllers/AdminController.java
new file mode 100644
index 00000000..69885aba
--- /dev/null
+++ b/src/main/java/com/abrahambueno/librarybooks/controllers/AdminController.java
@@ -0,0 +1,80 @@
+package com.abrahambueno.librarybooks.controllers;
+
+import com.abrahambueno.librarybooks.models.Book;
+import com.abrahambueno.librarybooks.repositories.AuthorRepository;
+import com.abrahambueno.librarybooks.repositories.BookRepository;
+import com.abrahambueno.librarybooks.repositories.SectionRepository;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import io.swagger.annotations.ApiParam;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.*;
+
+import java.net.URISyntaxException;
+import java.util.Optional;
+
+@RestController
+@Api(value = "Library Application", description = "The classic Library Application in CRUD")
+@RequestMapping(value = "/data/", produces = MediaType.APPLICATION_JSON_VALUE)
+public class AdminController {
+    @Autowired
+    private AuthorRepository authorrepos;
+    @Autowired
+    private  BookRepository bookrepos;
+    @Autowired
+    private SectionRepository sectionrepos;
+
+    @ApiOperation(value = "Update Book based off book id", response = Book.class)
+    @PutMapping("/books/{id}")
+    public Book changeBook(@ApiParam(value = "This is the Book you want to update", required = true) @RequestBody Book book,
+                           @ApiParam(value = "This is the book id you want to update", required = true) @PathVariable long id) throws URISyntaxException {
+        Optional<Book> updateBook = bookrepos.findById(id);
+        if (updateBook.isPresent()) {
+            if (book.getAuthors() == null) {
+                book.setAuthors(updateBook.get().getAuthors());
+            }
+
+            if (book.getBooktitle() == null) {
+                book.setBooktitle(updateBook.get().getBooktitle());
+            }
+//            if (book.getCopy() == null) {
+//                book.setCopy(updateBook.get().getCopy());
+//            }
+            if (book.getIsbn() == null) {
+                book.setIsbn(updateBook.get().getIsbn());
+            }
+            if (book.getSectionidtwo() == null) {
+                book.setSectionidtwo(updateBook.get().getSectionidtwo());
+            }
+            book.setBookid(id);
+            bookrepos.save(book);
+            return book;
+        } else {
+            return null;
+        }
+
+    }
+
+    @ApiOperation(value = "Create bookid and authorid relation with book id and author id", response = String.class)
+    @PostMapping("/books/{bookid}/authors/{id}")
+    public String assignAuthorToBook(@ApiParam(value = "This is the book you want to create a relation to the author", required = true) @PathVariable long bookid,
+                                     @ApiParam(value = "This is the author id you want to create a relation to the book", required = true) @PathVariable long id) throws URISyntaxException {
+        bookrepos.setBookAuthors(bookid, id);
+        return "{" + "\"bookid\":" + bookid +
+                ",\"authorid\":" + id + "}";
+//        return "Temp";
+    }
+//
+    @ApiOperation(value = "Delete book based off of book id", response = Book.class)
+    @DeleteMapping("/books/{id}")
+    public Book deleteBook(@ApiParam(value = "This is the book id you want to deleteW", required = true) @PathVariable long id) throws URISyntaxException {
+        var deleteBook = bookrepos.findById(id);
+        if (deleteBook.isPresent()) {
+            bookrepos.deleteById(id);
+            return deleteBook.get();
+        } else {
+            return null;
+        }
+    }
+}
diff --git a/src/main/java/com/abrahambueno/librarybooks/controllers/AuthorController.java b/src/main/java/com/abrahambueno/librarybooks/controllers/AuthorController.java
new file mode 100644
index 00000000..c74ade66
--- /dev/null
+++ b/src/main/java/com/abrahambueno/librarybooks/controllers/AuthorController.java
@@ -0,0 +1,41 @@
+package com.abrahambueno.librarybooks.controllers;
+
+import com.abrahambueno.librarybooks.models.Author;
+import com.abrahambueno.librarybooks.repositories.AuthorRepository;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import io.swagger.annotations.ApiResponse;
+import io.swagger.annotations.ApiResponses;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@RestController
+@Api(value = "Library Application", description = "The classic Library Application in CRUD")
+@RequestMapping(path = {}, produces = MediaType.APPLICATION_JSON_VALUE)
+public class AuthorController {
+    @Autowired
+    private AuthorRepository authorrepos;
+
+    @ApiOperation(value = "list All Authors", response = List.class)
+    @ApiResponses(value =
+            {
+                    @ApiResponse(code = 200, message = "Successfully retrieve list"),
+                    @ApiResponse(code = 401, message = "You are not authorized to the view the resource"),
+                    @ApiResponse(code = 403, message = "Accessing the resource you were trying to reach is forbidden"),
+                    @ApiResponse(code = 404, message = "The resource you were trying to reach is not found")
+            })
+    @GetMapping("/authors")
+    public List<Author> getAllBookDetailInformation() {
+        var foundBooks = authorrepos.findAll();
+        if (foundBooks != null) {
+            return foundBooks;
+        } else {
+            return null;
+        }
+    }
+}
diff --git a/src/main/java/com/abrahambueno/librarybooks/controllers/BookController.java b/src/main/java/com/abrahambueno/librarybooks/controllers/BookController.java
new file mode 100644
index 00000000..e44bd9bd
--- /dev/null
+++ b/src/main/java/com/abrahambueno/librarybooks/controllers/BookController.java
@@ -0,0 +1,42 @@
+package com.abrahambueno.librarybooks.controllers;
+
+import com.abrahambueno.librarybooks.models.Book;
+import com.abrahambueno.librarybooks.repositories.BookRepository;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import io.swagger.annotations.ApiResponse;
+import io.swagger.annotations.ApiResponses;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@RestController
+@Api(value = "Library Application", description = "The classic Library Application in CRUD")
+@RequestMapping(path = {}, produces = MediaType.APPLICATION_JSON_VALUE)
+public class BookController {
+    @Autowired
+    private BookRepository bookrepos;
+
+    @ApiOperation(value = "list All Books", response = List.class)
+    @ApiResponses(value =
+            {
+                    @ApiResponse(code = 200, message = "Successfully retrieve list"),
+                    @ApiResponse(code = 401, message = "You are not authorized to the view the resource"),
+                    @ApiResponse(code = 403, message = "Accessing the resource you were trying to reach is forbidden"),
+                    @ApiResponse(code = 404, message = "The resource you were trying to reach is not found")
+            })
+    @GetMapping("/books")
+    public List<Book> getAllBookDetailInformation() {
+        var foundBooks = bookrepos.findAll();
+        if (foundBooks != null) {
+            return foundBooks;
+        } else {
+            return null;
+        }
+    }
+
+}
diff --git a/src/main/java/com/abrahambueno/librarybooks/controllers/SectionController.java b/src/main/java/com/abrahambueno/librarybooks/controllers/SectionController.java
new file mode 100644
index 00000000..97c278fa
--- /dev/null
+++ b/src/main/java/com/abrahambueno/librarybooks/controllers/SectionController.java
@@ -0,0 +1,41 @@
+package com.abrahambueno.librarybooks.controllers;
+
+import com.abrahambueno.librarybooks.models.Section;
+import com.abrahambueno.librarybooks.repositories.SectionRepository;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import io.swagger.annotations.ApiResponse;
+import io.swagger.annotations.ApiResponses;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@RestController
+@Api(value = "Library Application", description = "The classic Library Application in CRUD")
+@RequestMapping(path = {}, produces = MediaType.APPLICATION_JSON_VALUE)
+public class SectionController {
+    @Autowired
+    private SectionRepository sectionrepos;
+
+    @ApiOperation(value = "list All Sections", response = List.class)
+    @ApiResponses(value =
+            {
+                    @ApiResponse(code = 200, message = "Successfully retrieve list"),
+                    @ApiResponse(code = 401, message = "You are not authorized to the view the resource"),
+                    @ApiResponse(code = 403, message = "Accessing the resource you were trying to reach is forbidden"),
+                    @ApiResponse(code = 404, message = "The resource you were trying to reach is not found")
+            })
+    @GetMapping("/sections")
+    public List<Section> getAllBookDetailInformation() {
+        var foundBooks = sectionrepos.findAll();
+        if (foundBooks != null) {
+            return foundBooks;
+        } else {
+            return null;
+        }
+    }
+}
diff --git a/src/main/java/com/abrahambueno/librarybooks/models/Author.java b/src/main/java/com/abrahambueno/librarybooks/models/Author.java
new file mode 100644
index 00000000..dec02a59
--- /dev/null
+++ b/src/main/java/com/abrahambueno/librarybooks/models/Author.java
@@ -0,0 +1,59 @@
+package com.abrahambueno.librarybooks.models;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+import javax.persistence.*;
+import java.util.HashSet;
+import java.util.Set;
+
+@Entity@Table(name = "author")
+public class Author {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private long authorid;
+
+    private String firstname;
+    private String lastname;
+
+    @ManyToMany
+    @JoinTable(name = "wrote",
+    joinColumns = {@JoinColumn(name = "authorid")},
+            inverseJoinColumns = {@JoinColumn(name = "bookid")})
+    @JsonIgnoreProperties("authors")
+    private Set<Book> books = new HashSet<>();
+
+    public Author() {
+    }
+
+    public long getAuthorid() {
+        return authorid;
+    }
+
+    public void setAuthorid(long authorid) {
+        this.authorid = authorid;
+    }
+
+    public String getLastname() {
+        return lastname;
+    }
+
+    public void setLastname(String lastname) {
+        this.lastname = lastname;
+    }
+
+    public String getFirstname() {
+        return firstname;
+    }
+
+    public void setFirstname(String firstname) {
+        this.firstname = firstname;
+    }
+
+    public Set<Book> getBooks() {
+        return books;
+    }
+
+    public void setBooks(Set<Book> books) {
+        this.books = books;
+    }
+}
diff --git a/src/main/java/com/abrahambueno/librarybooks/models/Book.java b/src/main/java/com/abrahambueno/librarybooks/models/Book.java
new file mode 100644
index 00000000..5286443a
--- /dev/null
+++ b/src/main/java/com/abrahambueno/librarybooks/models/Book.java
@@ -0,0 +1,81 @@
+package com.abrahambueno.librarybooks.models;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+import javax.persistence.*;
+import java.util.HashSet;
+import java.util.Set;
+
+@Entity
+@Table(name = "book")
+public class Book {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private long bookid;
+
+    private String booktitle;
+    private String isbn;
+    private int copy;
+
+    // foreign key sectionid
+    @ManyToOne
+    @JoinColumn(name = "sectionid")
+    @JsonIgnoreProperties("books")
+    private Section sectionidtwo;
+
+    @ManyToMany(mappedBy = "books")
+    @JsonIgnoreProperties("books")
+    private Set<Author> authors = new HashSet<>();
+
+
+    public Book() {
+    }
+
+    public long getBookid() {
+        return bookid;
+    }
+
+    public void setBookid(long bookid) {
+        this.bookid = bookid;
+    }
+
+    public String getBooktitle() {
+        return booktitle;
+    }
+
+    public void setBooktitle(String booktitle) {
+        this.booktitle = booktitle;
+    }
+
+    public String getIsbn() {
+        return isbn;
+    }
+
+    public void setIsbn(String isbn) {
+        this.isbn = isbn;
+    }
+
+    public int getCopy() {
+        return copy;
+    }
+
+    public void setCopy(int copy) {
+        this.copy = copy;
+    }
+
+    public Section getSectionidtwo() {
+        return sectionidtwo;
+    }
+
+    public void setSectionidtwo(Section sectionidtwo) {
+        this.sectionidtwo = sectionidtwo;
+    }
+
+    public Set<Author> getAuthors() {
+        return authors;
+    }
+
+    public void setAuthors(Set<Author> authors) {
+        this.authors = authors;
+    }
+}
diff --git a/src/main/java/com/abrahambueno/librarybooks/models/Section.java b/src/main/java/com/abrahambueno/librarybooks/models/Section.java
new file mode 100644
index 00000000..9c5ecfb1
--- /dev/null
+++ b/src/main/java/com/abrahambueno/librarybooks/models/Section.java
@@ -0,0 +1,54 @@
+package com.abrahambueno.librarybooks.models;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+import javax.persistence.*;
+import java.util.HashSet;
+import java.util.Set;
+
+@Entity
+@Table(name = "section")
+public class Section {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private long sectionid;
+
+    private String name;
+
+    @OneToMany(mappedBy = "sectionidtwo")
+    @JsonIgnoreProperties("sections")
+    private Set<Book> books = new HashSet<>();
+
+//    public Section() {@ManyToMany(cascade = CascadeType.ALL, mappedBy = "books")
+//    @JsonIgnoreProperties("books")
+//    private Set<>
+//    }
+
+
+    public Section() {
+    }
+
+    public long getSectionid() {
+        return sectionid;
+    }
+
+    public void setSectionid(long sectionid) {
+        this.sectionid = sectionid;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Set<Book> getBooks() {
+        return books;
+    }
+
+    public void setBooks(Set<Book> books) {
+        this.books = books;
+    }
+}
diff --git a/src/main/java/com/abrahambueno/librarybooks/models/User.java b/src/main/java/com/abrahambueno/librarybooks/models/User.java
new file mode 100644
index 00000000..b19a4f91
--- /dev/null
+++ b/src/main/java/com/abrahambueno/librarybooks/models/User.java
@@ -0,0 +1,62 @@
+package com.abrahambueno.librarybooks.models;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import org.springframework.security.core.authority.SimpleGrantedAuthority;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import java.util.Arrays;
+import java.util.List;
+
+@Entity
+public class User {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private long id;
+
+    private String username;
+    @JsonProperty(access = JsonProperty.Access.WRITE_ONLY)
+    private String password;
+
+    private String role;
+
+    public List<SimpleGrantedAuthority> getAuthority() {
+        String myRole = "ROLE_" + this.role.toUpperCase();
+        return Arrays.asList(new SimpleGrantedAuthority(myRole));
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public String getUsername() {
+        return username;
+    }
+
+    public void setUsername(String username) {
+        this.username = username;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+
+    public String getRole() {
+        return role;
+    }
+
+    public void setRole(String role) {
+        this.role = role;
+    }
+}
+
diff --git a/src/main/java/com/abrahambueno/librarybooks/repositories/AuthorRepository.java b/src/main/java/com/abrahambueno/librarybooks/repositories/AuthorRepository.java
new file mode 100644
index 00000000..a8f7bd6e
--- /dev/null
+++ b/src/main/java/com/abrahambueno/librarybooks/repositories/AuthorRepository.java
@@ -0,0 +1,8 @@
+package com.abrahambueno.librarybooks.repositories;
+
+import com.abrahambueno.librarybooks.models.Author;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface AuthorRepository extends JpaRepository<Author, Long> {
+
+}
diff --git a/src/main/java/com/abrahambueno/librarybooks/repositories/BookRepository.java b/src/main/java/com/abrahambueno/librarybooks/repositories/BookRepository.java
new file mode 100644
index 00000000..678c6ef7
--- /dev/null
+++ b/src/main/java/com/abrahambueno/librarybooks/repositories/BookRepository.java
@@ -0,0 +1,16 @@
+package com.abrahambueno.librarybooks.repositories;
+
+import com.abrahambueno.librarybooks.models.Book;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Modifying;
+import org.springframework.data.jpa.repository.Query;
+
+import javax.transaction.Transactional;
+
+public interface BookRepository extends JpaRepository<Book, Long> {
+    @Transactional
+    @Modifying
+    // wrote table, authorid, bookid
+    @Query(value = "insert into wrote (bookid, authorid) values (:bookid, :authorid)", nativeQuery = true)
+    void setBookAuthors(long bookid, long authorid);
+}
diff --git a/src/main/java/com/abrahambueno/librarybooks/repositories/SectionRepository.java b/src/main/java/com/abrahambueno/librarybooks/repositories/SectionRepository.java
new file mode 100644
index 00000000..456fc649
--- /dev/null
+++ b/src/main/java/com/abrahambueno/librarybooks/repositories/SectionRepository.java
@@ -0,0 +1,8 @@
+package com.abrahambueno.librarybooks.repositories;
+
+import com.abrahambueno.librarybooks.models.Section;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface SectionRepository extends JpaRepository<Section, Long> {
+
+}
diff --git a/src/main/java/com/abrahambueno/librarybooks/repositories/UserDao.java b/src/main/java/com/abrahambueno/librarybooks/repositories/UserDao.java
new file mode 100644
index 00000000..68fd9ac4
--- /dev/null
+++ b/src/main/java/com/abrahambueno/librarybooks/repositories/UserDao.java
@@ -0,0 +1,8 @@
+package com.abrahambueno.librarybooks.repositories;
+
+import com.abrahambueno.librarybooks.models.User;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface UserDao extends JpaRepository<User, Long> {
+    User findByUsername(String username);
+}
diff --git a/src/main/java/com/abrahambueno/librarybooks/service/UserService.java b/src/main/java/com/abrahambueno/librarybooks/service/UserService.java
new file mode 100644
index 00000000..ef7ad910
--- /dev/null
+++ b/src/main/java/com/abrahambueno/librarybooks/service/UserService.java
@@ -0,0 +1,11 @@
+package com.abrahambueno.librarybooks.service;
+
+import com.abrahambueno.librarybooks.models.User;
+
+import java.util.List;
+
+public interface UserService {
+    User save(User user);
+    List<User> findAll();
+    void delete(long id);
+}
diff --git a/src/main/java/com/abrahambueno/librarybooks/service/impl/UserServiceImpl.java b/src/main/java/com/abrahambueno/librarybooks/service/impl/UserServiceImpl.java
new file mode 100644
index 00000000..5ff7ff32
--- /dev/null
+++ b/src/main/java/com/abrahambueno/librarybooks/service/impl/UserServiceImpl.java
@@ -0,0 +1,50 @@
+package com.abrahambueno.librarybooks.service.impl;
+
+import com.abrahambueno.librarybooks.models.User;
+import com.abrahambueno.librarybooks.repositories.UserDao;
+import com.abrahambueno.librarybooks.service.UserService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.core.userdetails.UserDetailsService;
+import org.springframework.security.core.userdetails.UsernameNotFoundException;
+import org.springframework.stereotype.Service;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Service(value = "userService")
+public class UserServiceImpl implements UserDetailsService, UserService
+{
+
+    @Autowired
+    private UserDao userDao;
+
+    public UserDetails loadUserByUsername(String userId) throws UsernameNotFoundException
+    {
+        User user = userDao.findByUsername(userId);
+        if (user == null)
+        {
+            throw new UsernameNotFoundException("Invalid username or password.");
+        }
+        return new org.springframework.security.core.userdetails.User(user.getUsername(), user.getPassword(), user.getAuthority());
+    }
+
+    public List<User> findAll()
+    {
+        List<User> list = new ArrayList<>();
+        userDao.findAll().iterator().forEachRemaining(list::add);
+        return list;
+    }
+
+    @Override
+    public void delete(long id)
+    {
+        userDao.deleteById(id);
+    }
+
+    @Override
+    public User save(User user)
+    {
+        return userDao.save(user);
+    }
+}
\ No newline at end of file
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
new file mode 100644
index 00000000..333b4da1
--- /dev/null
+++ b/src/main/resources/application.properties
@@ -0,0 +1,14 @@
+
+spring.jpa.hibernate.ddl-auto=create-drop
+spring.datasource.initialization-mode=always
+
+server.error.whitelabel.enabled=false
+server.port=2019
+#spring.jpa.hibernate.ddl-auto=create
+
+#spring.jpa.hibernate.ddl-auto=none
+management.endpoints.web.exposure.include=*
+spring.datasource.url=jdbc:mysql://localhost:3306/libraryapp
+spring.jpa.hibernate.naming-strategy=org.hibernate.cfg.EJB3NamingStrategy
+spring.datasource.username=${useradmin}
+spring.datasource.password=${userpassword}
\ No newline at end of file
diff --git a/src/main/resources/data.sql b/src/main/resources/data.sql
new file mode 100644
index 00000000..9b4aa910
--- /dev/null
+++ b/src/main/resources/data.sql
@@ -0,0 +1,25 @@
+INSERT INTO section (sectionid, name) VALUES (1, 'Fiction');
+INSERT INTO section (sectionid, name) VALUES (2, 'Technology');
+INSERT INTO section (sectionid, name) VALUES (3, 'Travel');
+INSERT INTO section (sectionid, name) VALUES (4, 'Business');
+INSERT INTO section (sectionid, name) VALUES (5, 'Religion');
+
+INSERT INTO author (authorid, firstname, lastname) VALUES (1, 'John', 'Mitchell');
+INSERT INTO author (authorid, firstname, lastname) VALUES (2, 'Dan', 'Brown');
+INSERT INTO author (authorid, firstname, lastname) VALUES (3, 'Jerry', 'Poe');
+INSERT INTO author (authorid, firstname, lastname) VALUES (4, 'Wells', 'Teague');
+INSERT INTO author (authorid, firstname, lastname) VALUES (5, 'George', 'Gallinger');
+INSERT INTO author (authorid, firstname, lastname) VALUES (6, 'Ian', 'Stewart');
+
+INSERT INTO book (bookid, booktitle, ISBN, copy, sectionid) VALUES (1, 'Flatterland', '9780738206752', 2001, 1);
+INSERT INTO book (bookid, booktitle, ISBN, copy, sectionid) VALUES (2, 'Digital Fortess', '9788489367012', 2007, 1);
+INSERT INTO book (bookid, booktitle, ISBN, copy, sectionid) VALUES (3, 'The Da Vinci Code', '9780307474278', 2009, 1);
+INSERT INTO book (bookid, booktitle, ISBN, copy, sectionid) VALUES (4, 'Essentials of Finance', '1314241651234', 0, 4);
+INSERT INTO book (bookid, booktitle, ISBN, copy, sectionid) VALUES (5, 'Calling Texas Home', '1885171382134', 2000, 3);
+
+INSERT INTO wrote (bookid, authorid) VALUES (1, 6);
+INSERT INTO wrote (bookid, authorid) VALUES (2, 2);
+INSERT INTO wrote (bookid, authorid) VALUES (3, 2);
+INSERT INTO wrote (bookid, authorid) VALUES (4, 5);
+INSERT INTO wrote (bookid, authorid) VALUES (4, 3);
+INSERT INTO wrote (bookid, authorid) VALUES (5, 4);
diff --git a/src/test/java/com/abrahambueno/librarybooks/LibrarybooksApplicationTests.java b/src/test/java/com/abrahambueno/librarybooks/LibrarybooksApplicationTests.java
new file mode 100644
index 00000000..38f938d8
--- /dev/null
+++ b/src/test/java/com/abrahambueno/librarybooks/LibrarybooksApplicationTests.java
@@ -0,0 +1,16 @@
+package com.abrahambueno.librarybooks;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class LibrarybooksApplicationTests {
+
+    @Test
+    public void contextLoads() {
+    }
+
+}