| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| True Secrets of Key West Revealed! | 978-0-9672819-4-0 | 2003 | Marshall Stone · Marcus Varner |
| True Secrets of Key West Revealed! | 978-0-9672819-2-6 | 2000 | Marshall Stone |
| True Secrets of Salt Lake City and The Great Salt Lake Revealed! | 978-0-9672819-6-4 | 2002 | Marshall Stone · Daniel Reynen |
| True Secrets of Washington, D.C. Revealed! | 978-0-9672819-7-1 | 2003 | Marcus Varner · Daniel Reynen · Carol Varner |