| Editor | Angus Wells |
| Copyright Holder | The Executors of the Estate of the Late John Wyndham |
| First Published by | Sphere Books Limited |
| Copyright Holder (Compilation) | Sphere Books Limited |
| Copyright Holder (Introduction/Prologue) | Leslie Flood |
| Bibliography by | Gerald Bishop |
| Format | Paperback |
| Language | English |
| Location | United Kingdom |
| Copyright | 1973 |
| Reprinted | 1975 |
| Pages / Font | 170 pages |
| ISBN 10 | 0 7221 9373 4 |
| Price | United Kingdom 55p |
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