| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Colorado's Most Haunted, A Ghostly Guide to the Rocky Mountain State | 978-0-9798876-1-1 (0-9798876-1-5) | 2011 |
| Michigan's Most Haunted, A Ghostly Guide to the Great Lakes State | 978-0-9798876-0-4 (0-9798876-0-7) | 2007 |