| Author | John Wyndham |
| Publisher | Penguin Books Ltd |
| Copyright Holder | The Estate of John Wyndham |
| Cover Art by | Peter Lord |
| First Published by | Michael Joseph |
| Printed and Bound by | Hazell Watson & Viney Ltd* |
| Format | Paperback |
| Language | English |
| Location | United Kingdom |
| Copyright | 1960 |
| First Published In Paperback | 1963 |
| Reprinted | 1981 |
| Pages / Font | 203 pages / Linotype Baskerville |
| ISBN | 0 14 00.1986 3 |
| Price | UK £1.35 / Aust. $3.95 / Can. $2.95 |
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