| Author | Chloe Zerwick, Harrison Brown |
| Imprint | The Science Fiction Book Club |
| Publisher | Readers Union Ltd |
| Copyright Holder | Chloe Zerwick, Harrison Brown |
| Published in/by Arrangement with | Victor Gollancz |
| Printed by | Lowe & Brydone Printers Limited |
| Format | Hardback |
| Language | English |
| Location | Letchworth Garden City, UK |
| Copyright | 1968 |
| This Edition Published | 1969 |
| Pages / Font | 235 pages |
| Price | 8s 6d |
Added by steppenwolf_a_558