The story of Bletchley Park, the successful intelligence operation that cracked Germany's Enigma Code. Photos.

A Best Book of 2021 by Bloomberg BusinessWeek, Time, and The Washington Post The bestselling author of Leonardo da Vinci and Steve Jobs returns with a “compel

A compelling story about tenacity and friendship, inspired by the real codebreaking women of Australia's top-secret Central Bureau in WWII. For readers who love

Three years into the Great War, England's greatest asset is their intelligence network--field agents risking their lives to gather information, and codebreakers

The award-winning New York Times bestseller about the American women who secretly served as codebreakers during World War II--a "prodigiously researched and eng