diff --git a/mkdocs.yml b/mkdocs.yml
index 6f5a9ce2..756559dd 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -30,17 +30,30 @@ nav:
     - problems/zabbix-triggers.md
   - 'Taking action when problems come':
     - actions/zabbix-eventactions.md
-  - 05-Managing Permissions.md
-  - 06-Visualising our problems.md
-  - 07-Automating configuration.md
-  - 08-VMWare monitoring.md
-  - 09-Monitoring websites.md
-  - 10-Monitoring SNMP,IPMI and JAVA.md
-  - 11-Monitoring with Proxies.md
-  - 12-Securing Zabbix.md
-  - 13-Maintaining Zabbix.md
-  - 14-Monitoring Windows.md
-  - 15-Zabbix API.md
+  - 'Managing permissions':
+    - permissions/managing-permissions.md
+  - 'Visualising Problems':
+     - visualising/Visualising-our-problems.md
+  - 'Automating configuration':
+    - automation/automating-configuration.md
+  - 'VMWare monitoring':
+    - vmware/vmware-monitoring.md
+  - 'Monitoring websites':
+    - websites/monitoring-websites.md
+  - 'Monitoring SNMP, IPMI and JAVA':
+    - extra-monitoring/SNMP-monitoring.md
+    - extra-monitoring/JAVA-monitoring.md
+    - extra-monitoring/IPMI-monitoring.md
+  - 'Monitoring with Proxies':
+    - proxies/installing-proxies.md
+  - 'Securing Zabbix':
+    - security/securing-zabbix.md
+  - 'Maintaining Zabbix':
+    - maintenance/maintaining-zabbix.md
+  - 'Monitoring Windows':
+    - windows/monitoring-windows.md
+  - 'Zabbix API':
+    - api/zabbix-api.md
 
 theme:
    language: en
@@ -68,7 +81,7 @@ theme:
        toggle:
          icon: material/toggle-switch
          name: Switch to light mode
-       
+
 
 # Plugins
 plugins:
diff --git a/site/sitemap.xml b/site/sitemap.xml
index 69298dd5..0b9115ce 100644
--- a/site/sitemap.xml
+++ b/site/sitemap.xml
@@ -2,132 +2,132 @@
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/05-Managing%20Permissions/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/06-Visualising%20our%20problems/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/07-Automating%20configuration/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/08-VMWare%20monitoring/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/09-Monitoring%20websites/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/10-Monitoring%20SNMP%2CIPMI%20and%20JAVA/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/11-Monitoring%20with%20Proxies/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/12-Securing%20Zabbix/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/13-Maintaining%20Zabbix/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/14-Monitoring%20Windows/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/15-Zabbix%20API/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/actions/zabbix-eventactions/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/configuration/Dashboard/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/configuration/zabbix-agent/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/configuration/zabbix-dataflow/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/configuration/zabbix-hostgroups/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/configuration/zabbix-hosts/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/configuration/zabbix-interfaces/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/configuration/zabbix-items/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/configuration/zabbix-macros/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/configuration/zabbix-users/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/installation/Requirements/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/installation/installing-zabbix/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/installation/installing-zabbixdb/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://trikke76.github.io/Zabbix-Book/problems/zabbix-triggers/</loc>
-         <lastmod>2023-12-08</lastmod>
+         <lastmod>2024-02-03</lastmod>
          <changefreq>daily</changefreq>
     </url>
 </urlset>
\ No newline at end of file
diff --git a/site/sitemap.xml.gz b/site/sitemap.xml.gz
index e802b9b2..cb887845 100644
Binary files a/site/sitemap.xml.gz and b/site/sitemap.xml.gz differ
diff --git a/zabbix-7-book.pdf b/zabbix-7-book.pdf
index 805b909c..a5f994e0 100644
Binary files a/zabbix-7-book.pdf and b/zabbix-7-book.pdf differ