by Paul Gannon (Author)
Uncover the secret history of WWI with the codebreakers of Room 40 and MI1(b).
Bletchley Park's WWII codebreaking is famous, but its WWI counterparts remain in the shadows. From the Marne to the Zimmermann Telegram, a cast of eccentric characters secretly guided the Great War from smoke-filled rooms.
Bestselling author Paul Gannon uses intercepted German messages to reveal British codebreaking operations. Discover newly uncovered archival documents that challenge misleading stories about Room 40 & MI1(b), revealing a sophisticated machine in operation. Perfect for readers interested in military history, intelligence, and cryptography.
Author Biography
Paul Gannon is a science and technology writer. He is the author of Colossus: Bletchley Park's Greatest Secret (2006) and Trojan Horses and National Champions Crisis in Europe's Computing and Telecommunications Industry (IT Book of the Year 1997).
Number of Pages: 352
Dimensions: 1.1 x 9.13 x 6.14 IN
Illustrated: Yes
Publication Date: March 01, 2023
