| Publisher | Sphere Books Limited |
| Copyright Holder | Fred Hoyle, Chandra Wickramasinghe |
| Printed and Bound by | Collins |
| First Published by | J. M. Dent & Sons Ltd |
| Format | Paperback |
| Language | English |
| Location | UK |
| Copyright | 1979 |
| This Edition Published | 1981 |
| Pages / Font | 241 pages |
| ISBN | 0 7221 4754 6 |
| Price | £1.50 |
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