| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1986 |
|
The Norby Chronicles | Ace Science Fiction Books | Omnibus | |
| November 1986 | The Norby Chronicles | Ace Books | Omnibus | ||
| April 1988 |
|
Das Mulcahen-Rätsel | Moewig | Novel |