| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| September 1977 |
|
The Forbidden Tower | DAW Books | Novel | [2] |
| September 1977 |
|
The Forbidden Tower | DAW Books / New American Library of Canada | Novel | [2] |
| February 1979 |
|
The Forbidden Tower | Gregg Press | Novel | 4 |
| 1981 |
|
The Forbidden Tower | DAW Books | Novel | |
| 1982 |
|
The Forbidden Tower | DAW Books | Novel | 2 |