| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1977 |
|
Die stählerne Festung | Bastei Lübbe | Novel | |
| February 1977 |
|
Fire Time | Panther | Novel | |
| May 1977 |
|
Les légions de Bartzouk | Fleuve Noir | Novel | |
| March 1978 |
|
La pista dei mutanti | Editrice Nord | Novel | |
| August 1978 |
|
Chrysalis, Volume 2 | Zebra Books / Kensington Publishing Corp. | Anthology | |
| 1979 |
|
Star Quest: An Incredible Voyage Into the Unknown | Intercontinental Book Productions | Collection | 32 |