Josephine Baker, the American-born performer who dazzled audiences in 1920s Paris, lived a double life during World War II. Behind the glamour of the stage, she used her fame as cover to spy for the French Resistance. She carried secrets hidden in sheet music written with invisible ink, smuggled microfilms in her clothes and jewelry, and even sheltered Jewish refugees and resistance fighters in her castle—providing them with money and forged documents. Her bravery earned her France’s highest hon