| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1994 | 978-0-9637914-1-2 | Dennis William Hauck | The National Directory of Haunted Places |
| 1997 | 978-0-9637914-2-9 | Dennis William Hauck ยท Bruce Schaffenberger | Alchemy of the Paranormal: A Workbook for Personal Transformation |