Battle of Wits
The Complete Story of Codebreaking in World War IIBook - 2000
Drawing from newly declassified documents, the author chronicles the story of codebreaking during the last world war, from cat-and-mouse games with Nazi U-boats to the invasion of Normandy.
Publisher: New York : Free Press, c2000.
Characteristics: 436 p.,  leaves of plates :,ill. ;,25 cm.