| title | ISBN-13 | year of publica- tion | |
|---|---|---|---|
| Atlantis Station | 978-0-671-88449-9 | 1994 | |
| Die Jarada. Star Trek. Raumschiff 'Enterprise'. | 978-3-453-07991-5 | 1995 | |
| Enemy Unseen | 978-0-671-68403-7 | 1990 | |
| Imbalance | 978-1-85286-424-8 | 1992 | |
| Windows on a Lost World | 978-0-671-79512-2 | 1993 |