| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Antarctica and the Secret Space Program: From WWII to the Current Space Race | 978-1-948803-20-5 | 2020 | |
| Inside the Gemstone File | 978-0-932813-66-4 | 1999 | Kenn Thomas |
| Lost Cities of North & Central America | 978-0-932813-09-1 | 1992 | |
| Man-Made UFOs: WWII's Secret Legacy | 978-1-931882-77-4 | 2007 | Renato Vesco |
| The Crystal Skulls: Astonishing Portals to Man's Past | 978-1-931882-76-7 | 2008 | Stephen S. Mehler |
| The Fantastic Inventions of Nikola Tesla | 978-0-932813-19-0 | 2014 | Nikola Tesla |
| The Time Travel Handbook: A Manual of Practical Teleportation & Time Travel | 978-0-932813-68-8 | 1999 | |
D.C. · David By Childress · David C. · David Childress Hatcher · David H. Childress · David Hatcher Childress · David Hatcher Childress Dania Tamimi