| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| North America's Great Ape: The Sasquatch - A Wildlife Biologist Looks at the Continent's Most Misunderstood Large Mammal | 978-0-9682887-0-2 (0-9682887-0-7) | 1998 |
| The Discovery of the Sasquatch | 978-0-9682887-1-9 (0-9682887-1-5) | 2010 |