| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| 100 of the World's Greatest Mysteries: Strange Secrets | 978-1-891799-05-1 (1-891799-05-3) | 2000 |
| High Moon on the Marsh: The Saga of Neptune Small | 978-1-891799-21-1 (1-891799-21-5) | 2001 |
| The World's 100 Greatest Mysteries | 978-0-7607-7953-8 (0-7607-7953-8) | 2006 |