Ian Allan Publishing · Radio Society of Great Britain
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Inside Enigma - The Secrets of the Enigma Machine and other Historic Cipher Machines | 978-1-905086-64-1 (1-905086-64-4) | 2010 |
| Story of Enigma: History, Technology and Deciphering | 978-0-7110-3527-0 (0-7110-3527-X) | 2010 |