| Author | John Wyndham |
| Publisher | Penguin, Penguin Books, Penguin Books Ltd, Penguin Books Pty Ltd |
| First Published by | Michael Joseph |
| Format | Paperback |
| Language | English |
| Location | UK |
| Copyright | 1956 |
| This Edition Published | 1959 |
| Reprinted | 1960 |
| Reprinted | 1961 |
| Pages / Font | 222 pages |
| Catalog Number | 1385 |
| Price | 2/6 |