David Kahn | Arjun Srivastava's Library

The Codebreakers: The Comprehensive History of Secret Communication From Ancient Times to the Internet
David Kahn
The magnificent, unrivaled history of codes and ciphers—how they're made, how they're broken, and the many and fascinating roles they've played since the dawn of civilization in war, business, diplomacy, and espionage—updated with a new chapter on c...