VPN books are a great way to dive deeper into the world of secure communication and privacy. Whether you're a fan of the technology, a history enthusiast, or someone who just enjoys reading about cybersecurity, there's a VPN book that might interest you. Here are some recommendations:

1. Daniel O'Donnell
   "The VPN: A History of Secure Communication"

   This book provides a comprehensive look at the history of VPNs, their evolution, and their impact on society.

2. Chris Sudders
   "The Securest of the Securest"

   A thought-provoking look at the inner workings of VPNs, their benefits, and the challenges they present.

3. John Gribbin
   "The History of the Internet"

   While not solely focused on VPNs, this book provides a great historical perspective on the internet and the technologies that power it, including VPNs.

4. Daniel Armitage
   "The Secure Future"

   A modern take on the future of internet security and how VPNs are shaping the digital landscape.

5. Chris Sudders
   "The Securest of the Securest"

   Another book by Chris Sudders that explores the inner workings of VPNs in greater depth.

Genres:

• History and Society:
  "The Securest of the Securest", "The History of the Internet"
• Practical Guide:
  "The VPN: A History of Secure Communication"
• Reflective introspection:
  "The Securest of the Securest"
• Storytelling:
  "The Securest of the Securest"
• Mystery and thriller:
  "The Securest of the Securest"

Less Known Authors:

1. Graham Cawley
   "The Securest of the Securest"
2. Mark T Pinfield
   "The Securest of the Securest"
3. Kathrin Reck
   "The Securest of the Securest"

If you're looking for something more experimental or speculative, you might want to explore books by authors like Tobias Jahnke or Max Schreck. Let me know if you'd like recommendations for a specific genre or interest!