"The human race faces a gradual decline into extinction; the rats - the only other intelligent race on Earth - seem to be doomed with them. A last attempt to analyse the reasons for their dying is made by the warden of humanity's museum and a quixotic rat." - The Brian Stableford Website
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1969 |
|
Cradle of the Sun / The Wizards of Senchuria | Ace Books | Omnibus | 5 |
| October 1969 |
|
Cradle of the Sun | Sidgwick & Jackson | Novel | |
| 1970 |
|
Cradle of the Sun | Sphere Books | Novel | 7 |
| July 1971 | Science Fiction Special (5) | Sidgwick & Jackson | Omnibus |