| Author | John le Carré |
| Publisher | Hodder & Stoughton |
| Copyright Holder | Authors Workshop A. G. |
| Cover photo | Stephen Cornwell |
| Author photo/portrait | Andreas Heumann |
| Printed by | Lowe & Brydone Printers Limited |
| Series | George Smiley, Karla Trilogy |
| Format | Hardback |
| Language | English |
| Location | Great Britain |
| Copyright | 1979 |
| First Printing in Country | 1980 |
| This Impression | 1980 |
| Pages / Font | 327 pages |
| ISBN | 0-340-24704-5 |