 The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography
| 1996 | 60 reads | 4.15 | |
 The Story of Codes
| 2019 | 0 reads | 0 | |
 De/Cipher: The Greatest Codes Ever Invented and How to Break Them
| 2017 | 0 reads | 0 | |
 How to keep a secret: Writing and talking in code
| 1978 | 1 read | 0 | |
 The Secret Life of Codes
| 2007 | 0 reads | 0 | |
 The Infinite Library
| 2011 | 0 reads | 0 |