A note in Monsters and Medics describes the 1970 Blackie version as a "Drastically Shortened" version.
| Year | Award | Category | Status |
|---|---|---|---|
| 1962 | Hugo Award | Best Novel | Nominee/Finalist |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1962 |
|
The Jewels of Aptor / Second Ending | Ace Books | Omnibus | 5 |
| 1970 |
|
Out of This World 8 | Blackie | Anthology | 52 |
| March 1977 |
|
Monsters and Medics | Del Rey / Ballantine | Collection | 9 |
| May 1977 |
|
Monsters and Medics | Corgi Books / Transworld Publishers | Collection | 15 |