ISBN 9781559705684 (1-55970-568-X, 155970568X)

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

by Michael Smith

ISBN	155970568X / 9781559705684 / 1-55970-568-X
Publisher	Little Brown & Co
Language	English
Edition	Hardcover
List price	$26.95

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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