| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1978 |
|
The Face in the Abyss | Avon | Novel | |
| 1985 |
|
In Search of Forever | Paper Tiger | Nonfiction | 64 |
| September 1990 |
|
Il volto nell'abisso | Fanucci Editore | Novel | |
| 1993 |
|
In Search of Forever | Paper Tiger / Dragon's World | Nonfiction | 64 |