The Emperor's Codes
Subtitle: The Breaking of Japan's Secret Ciphers
Publisher: Penguin (Non-Classics)
Published: November 5, 2002
Language: eng
Number of pages: 368
ISBN-13: 9780142002339
First sentence: The extraordinary achievements of the British codebreakers based at Bletchley Park in cracking Nazi Germany's 'unbreakable' Enigma cipher are now widely known.