| Author | A. E. van Vogt |
| Publisher | Edhasa |
| Publisher Series | Colección Nebulae |
| Translated by | Manuel Bosch Barrett |
| Printed by | Emegé |
| Format | Soft cover |
| Language | Spanish |
| Location | Barcelona, Spain |
| This Edition Published | 1963 |
| Pages / Font | 271 pages |
| DL (Spanish) | B. 3961 - 1963 |
| Volume Number | 11 |
Added by Xhorv