P S · Professor Michael R Solomon · Professor Robert C. Solomon
| title | ISBN-13 | year of publication |
|---|---|---|
| How to Make the Most of a Flying Saucer Experience | 978-0-912509-07-5 | 1998 |
| Japan in a Nutshell | 978-0-912509-06-8 | 1999 |
| The Book of King Solomon | 978-0-912509-09-9 | 2005 |
| Visitors to the Inner Earth: True Tales of Subterranean Journeys | 978-0-912509-10-5 | 2011 |