Stealing Secrets, Telling Lies: How Spies and Codebreakers Helped Shape the Twentieth Century

James Gannon examines the impact of many major incidents, such as the Zimmerman telegram interception, deciphering the German Enigma machine, the Soviets' damaging penetration of the British Foreign Service through the "Cambridge Five" spy ring, and the U.S. counterintelligence coup known as Operation Venona (classified until 1995).