ACE #M-143. The existing pub record of this edition has "Jr." which is not on the cover, spine or title page. On the copyright page it states "Copyright, 1956, By John W. Campbell, Jr."
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1966 |
|
Islands of Space | Ace Books | Novel | 5 |
| March 1973 |
|
John W. Campbell Anthology | Doubleday | Omnibus | 191 |
| September 2011 |
|
Islands of Space | Gateway / Orion | Novel | |
| June 2012 |
|
Islands of Space | Armchair Fiction | Novel | |
| September 2018 |
|
Islands of Space | Wildside Press | Novel | |
| August 2025 | 5 Audiobook Collection | MotionAudiobooks | Omnibus | |4 |