| Author | John le Carré |
| Publisher | Dom Quixote, Círculo de Leitores |
| Translated by | José Vieira de Lima |
| Copyright Holder | Authors Workshop A. G. |
| Series | Ficção Universal |
| Printed and Bound by | Resopal, Lda |
| Distributed by/Director of Distribution | Digilivro, Movilivro |
| Format | Paperback |
| Language | Portuguese |
| Location | Lisbon |
| Copyright | 1989 |
| This Edition Published | 1989 |
| Pages / Font | 361 pages |
| ISBN | 972-20-0744-0 |
| DL (Portuguese) | 289003/89 |
| Edition No. | 1.ª |
| Series Number | 56 |