| Author | John le Carré |
| Imprint | Viking |
| Publisher | Penguin Random House UK |
| Copyright Holder | David Cornwell |
| Typeset by | Jouve |
| Printed by | Clays Ltd, St Ives plc |
| Series | George Smiley |
| Format | Paperback |
| Language | English |
| Copyright | 2017 |
| Pages / Font | 264 pages / 13 / 15.5 pt Dante MT Std |
| Price | £13.99 |
| Barcode | 9 780241 308554 |
| ISBN | 978-0-241-30855-4 |
| Impression/Printing No. | 005 |