Prologue (Twilight World)
| First published | February 1961 |
|---|---|
| Type | Short Fiction |
| Length | Novelette |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1961 |
|
Twilight World | Dodd, Mead / Torquil | Collection | 1 |
| February 1961 |
|
Twilight World | Dodd, Mead / Torquil / SFBC | Collection | 1 |
| 1962 |
|
Twilight World | Gollancz | Collection | 1 |
| June 1963 |
|
Twilight World | The Science Fiction Book Club (UK) | Collection | |
| May 1964 |
|
Twilight World | Panther | Collection | 5 |