| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1987 | Norby: Robot for Hire | Ace Books | Omnibus | ||
| February 1987 |
|
Norby: Robot for Hire | Ace Science Fiction Books | Omnibus | |
| February 1987 |
|
Norby: Robot for Hire | Ace Books | Omnibus |