| Author | John le Carré |
| Afterword by | John le Carré |
| Imprint | Penguin Books |
| Publisher Series | Penguin Modern Classics |
| Publisher | Penguin Group |
| First Published by | Hodder & Stoughton |
| Copyright Holder | David Cornwell |
| Typeset by | Jouve (UK) |
| Printed and Bound by | Clays Ltd, St Ives plc |
| Format | Paperback |
| Language | English |
| Location | London, England |
| Copyright | 1989 |
| Copyright | 2011 |
| Pages / Font | 452 pages |
| ISBN | 9780141391632 |
| Notes | It clearly states on the back cover that this is a promotional copy and not for resale. As such it does not have a barcode on the back cover. |