| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1974 |
|
Beyond This Horizon | Panther | Novel | |
| 1975 |
|
Beyond This Horizon | Panther | Novel | |
| 1976 |
|
Kothar l'aventurier | Librairie des Champs-Élysées | Novel | |
| February 1976 |
|
Feind des Dunklen Imperiums | Pabel | Novel | |
| October 1978 |
|
Feind des Dunklen Imperiums | Pabel | Novel | |
| January 1991 |
|
The Bruce Pennington Portfolio | Paper Tiger / Dragon's World | Nonfiction | [29] |
| June 1992 |
|
Ultraterranium | Paper Tiger / Dragon's World | Nonfiction | 80 |