spiritomb
Spiritomb

Cryptography

#2

The Riddle of the Labyrinth

2013 • 31 Readers • 363 pages • 4.4

#3

The codebreakers

1967 • 37 Readers • 476 pages • 4.3

#4

Code Girls: The Untold Story of the American Women Code Breakers Who Helped Win World War II

2017 • 135 Readers • 3.9

#5

The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography

1996 • 248 Readers • 434 pages • 4.2

#6

Cover 6

2004 • 4 Readers

#7

A Girl Named Digit

#1 of 2 in Digit

2012 • 16 Readers • 192 pages • 3.9