{{tr|unknown}}, but probably the Mary C. Tongue & Mary Ross version
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1985 | Early Science Fiction Novels: A Microfiche Collection | Greenwood Press | Omnibus | 010 |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1985 | Early Science Fiction Novels: A Microfiche Collection | Greenwood Press | Omnibus | 010 |