| Author | Александр Романович Беляев |
| Publisher | Edhasa |
| Translated by | Antonio Cuscó Fló |
| Publisher Series | Colección Nebulae |
| Printed by | Emegé, Industría Gráfica, S.A. |
| Format | Soft cover |
| Language | Spanish |
| Location | Barcelona, Spain |
| This Edition Published | 1965 |
| Pages / Font | 239 pages |
| DL (Spanish) | B. 29855 - 1965 |
| Volume Number | 113 |