Title: Top Secret Files
Subjects: World War, 1914-1918, Juvenile literature, Secret service, Underground movements, Spies, History, Guerre mondiale, 1914-1918, Ouvrages pour la jeunesse, Service secret, Mouvements de résistance, Espions, Histoire, EDUCATION / General, JUVENILE NONFICTION / History / Military & Wars, War, Frontier and pioneer life, Prohibition, Criminals, Social life and customs, Criminels, Mœurs et coutumes, JUVENILE NONFICTION / History / United States / 20th Century, Manners and customs