| Publisher Series | Sphere Science Fiction |
| Copyright Holder | Jack Vance |
| Publisher | Sphere, Sphere Books Limited |
| Printed by | Hunt Barnard Printing Ltd |
| Format | Paperback |
| Language | English |
| Location | UK |
| Copyright | 1956 |
| This Edition Published | 1976 |
| Pages / Font | 188 pages |
| ISBN | 0 7221 8730 0 |
| Price | 60p |