| Author | Philip K. Dick |
| Publisher | Edições 70 |
| Publisher Series | Orion - Clássicos de Ficção Científica |
| Copyright Holder | A. A. Wyn, Inc. |
| Translated by | Eduardo Saló |
| Revised by | Moura Pimenta, Artur Lopes Cardoso |
| Cover/Jacket Design by | Arcângela Marques |
| Composition | Cromotipo, Artes Gráficas, Lda. |
| Layout by/Layout Coordinator | Cromotipo, Artes Gráficas, Lda. |
| Printed by | Gráfica Manuel Barbosa & Filhos Lda |
| Format | Paperback |
| Language | Portuguese |
| Location | Lisbon, Portugal |
| Printed | 1991-07 |
| Copyright | 1957 |
| Pages / Font | 244 pages |
| Series Number | 4 |
| ISBN | 972-44-0785-3 |
| DL (Portuguese) | 48.203/91 |
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