| #2 |  The Riddle of the Labyrinth
| 4.38 | 9 reads | |
| #3 |  The codebreakers
| 4.25 | 4 reads | |
| #4 |  Code Girls: The Untold Story of the American Women Code Breakers Who Helped Win World War II
| 3.89 | 44 reads | |
| #5 |  The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography
| 4.17 | 107 reads | |
| #6 |  The Essential Turing The Essential Turing: Seminal Writings in Computing, Logic, Philosophy, Artificial Intelligence, and Artificial Life plus The Secrets of Enigma
| 0 | 0 reads | |
| #7 |  A Girl Named Digit
| 3.88 | 10 reads |