Word count is around 16,500, a novelette. The cover of New Worlds (US), July 1960 also describes it as a "novelet" [sic].
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| January 1964 |
|
Starswarm | Signet / New American Library | Collection | 53 |
| January 1964 |
|
Starswarm | Signet / New American Library of Canada | Collection | 53 |
| 1971 |
|
Starswarm | Signet / New American Library | Collection | 53 |
| 1976 |
|
Starswarm | Signet / New American Library of Canada | Collection | 53 |
| June 1978 | Starswarm | Gregg Press | Collection | 53 | |
| 1979 |
|
Starswarm | Panther / Granada | Collection | 63 |
| 1985 |
|
Starswarm | Panther / Granada | Collection | 63 |
| August 1990 |
|
Starswarm | VGSF | Collection | 63 |