| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| New work, new life: Help yourself to tomorrow: a report from people already there | 978-0-06-060649-7 (0-06-060649-5) | 1976 |
| Psi Trek: A World-Wide Investigation into the Lives of Psychic People and the Researchers Who Test Such Phenomena as Healing, Prophecy, Dowsing, Ghosts, and Life After Death | 978-0-07-003915-5 (0-07-003915-1) | 1981 |