| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1978 |
|
Planet of No Return | Universal | Chapbook | |
| 1979 |
|
Sternenkrieger | Bastei Lübbe | Novel | |
| 1979 |
|
Le virus mystérieux | Fleuve Noir | Novel | |
| 1980 |
|
The Alien World: The Complete Illustrated Guide | Crescent Books | Nonfiction | 38 |
| 1980 |
|
Worlds at War: An Illustrated Study of Interplanetary Conflict | Intercontinental Book Productions | Collection | 36 |
| 1980 |
|
The Alien World: The Complete Illustrated Guide | Octopus Books | Nonfiction | 38 |
| 1980 | Worlds at War: An Illustrated Study of Interplanetary Conflict | Crescent Books | Collection | |36 | |
| September 1984 |
|
Sternenkrieger | Bastei Lübbe | Novel | |
| 1987 |
|
Heroic Dreams | Paper Tiger | Nonfiction | 55 |
| 1987 |
|
Heroic Dreams | Paper Tiger | Nonfiction | 55 |
| May 1989 |
|
Armageddon! | Tor | Anthology | |
| May 1993 |
|
Mr. Lars sognatore d'armi | Fanucci Editore | Novel | |
| 1995 |
|
Heroic Dreams | Paper Tiger | Nonfiction | 55 |