The title of the 2012 collection which reprints this novel and "Monsters of Moyen" is spelled "The Osilians" (with an extra "i"), but the title of the actual novel remained "The Osilans", i.e. the original spelling in the 1953-1954 serialization.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| December 1953 |
|
Spaceway, December 1953 | Fantasy Publishing Company, Inc. | MAGAZINE | 4 |
| February 1954 |
|
Spaceway, February 1954 | Fantasy Publishing Company, Inc. | MAGAZINE | 131 |
| April 1954 |
|
Spaceway, April 1954 | Fantasy Publishing Company, Inc. | MAGAZINE | 139 |
| November 2012 |
|
The Osilians | Pulpville Press | Collection | |
| October 2017 |
|
The Osilans / The Metal Monster | Armchair Fiction | Omnibus |