Ultra hush-hush

By Stephen Shapiro, Tina Forrester

Subjects: Guerre mondiale, 1939-1945, Juvenile literature, Cryptographie, Spies, Deception, Service secret, World War, 1939-1945, Ouvrages pour la jeunesse, Espionage, Cryptography, Déception (Science militaire), Secret service

Description: Provides an inside look at some of the real-life deceptions that turned the tide of World War II, describing the creative strategies that were used by all sides during the war.