year of publication | ISBN | author(s) | title |
---|---|---|---|
1998 | 978-0-9640978-1-0 | Donald E. Chittick | The Puzzle of Ancient Man: Advanced Technology in Past Civilizations? |
2006 | 978-0-9640978-3-4 | Ph.D. Donald E. Chittick | The Puzzle of Ancient Man: Evidence for Advanced Technology in Past Civilizations |