| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1973 |
|
The Best of Arthur C. Clarke: 1937-1971 | Sphere | Collection | 333 |
| October 1973 |
|
The Best of Arthur C. Clarke: 1937-1971 | Sidgwick & Jackson | Collection | |
| January 1974 |
|
The Best of Arthur C. Clarke: 1937-1971 | Sphere | Collection | 333 |