• Current Revision: 3rd Edition, Rev. 4.0 is the latest update to my book and is available on Amazon.com which is current for the latest version of Raspberry Pi OS (Bullseye) posted on RaspberryPi.com on April 4, 2022 for all Raspberry Pi versions. This includes a Tor Router, major script enhancements, SSH Hardening, OpenVPN over SSL and more..  The page after the Cover page shows the Revision number.
• To Get the Latest Revision: Per Amazon’s Policy, you must request the latest revision be pushed to your device/app. Use the “Send Feedback” menu item in Kindle to request the latest revision.
• To Report Errors or Issues: Please contact me via the email address given in the book for any issues using my book. I read every email and respond as quickly as possible. My email address can be found on the Copyright page, the Preface, and the Troubleshooting Appendix.

Buy it now on Amazon.com, if you haven’t already.