Secret History of World War II, The: Spies, Code Breakers, and Covert Operations

From top secret spy missions to recently declassified WWII documents, this richly illustrated account of the covert espionage operations of World War II takes readers behind the battle lines and into the undercover war effort. National Geographic’s landmark book includes recently released never-before-seen photographs, coded messages, classified maps, and more than 700 rare artifacts that shed light on the war's darkest secrets.

This is the shocking story behind the covert activity that sh...