| Author | Ian Watson |
| Copyright Holder | Ian Watson |
| Publisher Series | Panther Science Fiction |
| Publisher | Panther Books, Granada Publishing Limited |
| First Published by | Victor Gollancz Ltd |
| Printed and Bound by | Cox & Wyman Ltd |
| Format | Paperback |
| Language | English |
| Location | UK |
| Copyright | 1979 |
| First Printing | 1979 |
| This Edition Published | 1982 |
| Pages / Font | 285 pages |
| ISBN | 0 586 05210 0 |
| Price | £1.50 |
Added by Supernaut1970