H. B · H. Bateman · W. B · W H
| title | ISBN-13 | year of publication |
|---|---|---|
| Dragons and Chariots: An Explanation of Extraterrestrial Spacecraft and Their Propulsion Systems | 978-0-929385-26-6 | 1991 |
| Dragons and Chariots: An Explanation of Extraterrestrial Spacecraft and Their Propulsion Systems | 978-0-929385-45-7 | 1991 |
| Knowledge from the Stars | 978-0-929385-39-6 | 1993 |
| Through Alien Eyes | 978-1-891824-27-2 | 2000 |