| Author | Stanisław Lem |
| Publisher | Publicações Europa-América |
| Publisher Series | Nébula |
| Translated by | Raul De Sousa Machado |
| Cover/Jacket Design by | Estúdios P. E. A. |
| Copyright Holder | Stanisław Lem |
| Editor | Francisco Lyon de Castro |
| Printed by | Gráfica Europam, Lda. |
| Format | Paperback |
| Language | Portuguese |
| Location | Portugal |
| This Edition Published | 1988 |
| Copyright | 1986 |
| Pages / Font | 310 pages |
| Series Number | 28 |
| ISBN | 972-1-02631-x |
| Barcode (EAN) | 5 601072 416284 |
| DL (Portuguese) | 22370 / 88 |
| Edition No. | 141628 / 4650 |
| Other | 14162889 1 |
Added by anarcadia