| Imprint | The Science Fiction Book Club |
| Publisher | Readers Union Ltd |
| Copyright Holder | Samuel R. Delany |
| 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 | 1970 |
| Pages / Font | 279 pages |
| Price | 10s |
Added by steppenwolf_a_558