| Author | Poul Anderson |
| Publisher | Uitgeverij Gradivus B.V. |
| Translated by | R. Neehus-Aalderink |
| Cover/Jacket Design by | Paul Lehr |
| Illustrator | Michaël Winkel |
| Series | Gradivus SF |
| Format | Paperback |
| Language | Dutch |
| Location | Den Haag (NL) |
| Copyright | 1966 |
| This Edition Published | 1977 |
| Pages / Font | 230 pages |
| ISBN 10 | 9063176112 |
Added by ArkivoRividi