ISBN 9780142002339 (0-14-200233-X, 014200233X)

The Emperor's Codes:
The Breaking of Japan's Secret Ciphers

by Michael Smith

ISBN	014200233X / 9780142002339 / 0-14-200233-X
Publisher	Penguin Group USA
Language	English
Edition	Softcover
List price	$15.00

Tags

ciphers codes crypto cryptography cryptology encryption espionage historical history intelligence japan non-fiction popular-science spies war world-war-2 world-war-ii world-war-two ww2 wwii

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