| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Really Mysterious Pennsylvania: UFOs, Bigfoot & Other Weird Encounters Casebook One | 978-0-9666108-2-6 (0-9666108-2-2) | 2010 |
| Silent Invasion: The Pennsylvania UFO-Bigfoot Casebook | 978-0-9666108-3-3 (0-9666108-3-0) | 2010 |