| Imprint | The Science Fiction Book Club |
| Publisher | Readers Union Ltd |
| Copyright Holder | Mark Adlard |
| First Published by | Sidgwick & Jackson |
| Printed by | Redwood Press Limited |
| Series | Interface |
| Format | Hardback |
| Language | English |
| Location | Newton Abbot, UK |
| Copyright | 1971 |
| This Edition Published | 1972 |
| Pages / Font | 191 pages |
| Price | £1.50 |
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