The Emperor's Codes
The Breaking of Japan's Secret CiphersBook - 2001
The Emperor's Code reveals how the Japanese codes--of which there were several--were broken, and readers discover in detail who were the often quirky geniuses behind the desperate effort. Illustrations.
Publisher: New York : Arcade Pub. : Distributed by Time Warner Trade Pub., 2001, c2000
Edition: 1st U.S. ed
Characteristics: [xii], 323,  p.,  p. of plates : ill., map ; 25 cm