Code Girls by Liza Mundy

The Untold Story of the American Women Code Breakers of World War II

Thousands of American women were recruited during World War II to serve as cryptanalysts and codebreakers for the Army and Navy, trained in languages and cipher work and stationed in secret rooms where they helped penetrate Japanese and German diplomatic and military communications; their breakthroughs shaped key campaigns and strategic decisions, yet strict secrecy kept their contributions hidden and many returned to ordinary, unrecognized lives after the war—an account blending archival research and personal stories to illuminate their technical achievements and sacrifices.

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