| Author | Robert A. Heinlein |
| Publisher | Kozmosz Könyvek |
| Translated by | Kelecsényi Gábor, Lux Alfréd, Székely Sándor |
| Graphics by | Siskov Ludmil |
| Printed by | Zrínyi Nyomda |
| Contributing Writer | Robert A. Heinlein, Konrad Fiałkowski, Carlos Rasch, Михаил Тихонович Емцев, Еремей Иудович Парнов, Ігор Росоховатський, Виктор Степанович Сапарин, Илья Иосифович Варшавский, Poul Anderson, Genrik Altow*, Валентина Николаевна Журавлёва |
| Editor | Majtényi Zoltán |
| Format | Soft cover |
| Language | Hungarian |
| Location | Budapest |
| This Edition Published | 1967 |
| Pages / Font | 313 pages |
| Issue Number | 16900 |
| Impression/Printing No. | 6603380/1 |
| Other | IF 666-c-6769 |
| Price | 11,- Ft |
