| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1971 |
|
Decision at Doona | Corgi | Novel | |
| January 1991 |
|
The Bruce Pennington Portfolio | Paper Tiger / Dragon's World | Nonfiction | [11] |
| June 1992 |
|
Ultraterranium | Paper Tiger / Dragon's World | Nonfiction | 18 |