| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| America's Loch Ness Monsters | 978-0-595-12320-9 (0-595-12320-1) | 2000 |
| Bigfoot Across America: A Joan Spencer Mystery | 978-0-595-14314-6 (0-595-14314-8) | 2000 |
| Was It Murder?: Surprising Facts About 22 Famous Deaths | 978-0-595-24750-9 (0-595-24750-4) | 2002 |
L. R. · P R · Philip L. · Philip R. · Philip Rife