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 | |
|---|---|---|---|---|---|
| 1963 |
|
The Airs of Earth: Science Fiction Stories | Faber and Faber | Collection | 184 |
| January 1965 |
|
The Airs of Earth | The Science Fiction Book Club (UK) | Collection | 184 |
| September 1965 |
|
The Airs of Earth | Four Square Books | Collection | 138 |
| May 1971 |
|
The Airs of Earth | New English Library | Collection | 138 |
| 1972 |
|
The Airs of Earth | New English Library | Collection | 138 |
| May 1975 |
|
The Airs of Earth | New English Library | Collection | 138 |
| December 1985 |
|
Starswarm | Baen Books | Collection | 67 |
| December 1985 |
|
Starswarm | Baen Books | Collection | 67 |
| 2000 |
|
The Airs of Earth | House of Stratus | Collection |