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The secret war with Germany : deception, espionage, and dirty tricks, 1939-1945
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The enigma girls : how ten teenagers broke ciphers, kept secrets, and helped win World War II
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Operation Columba : the Secret Pigeon Service : the untold story of World War II resistance in Europe
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The secret war : spies, ciphers, and guerrillas 1939-1945
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Double cross : [the true story of the D-day spies]
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Double cross : the true story of the D-day spies
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Midnight flyboys : the American bomber crews and Allied secret agents who aided the French Resistance in World War II
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Sons and soldiers : the untold story of the Jews who escaped the Nazis and returned with the U.S. Army to fight Hitler
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The secret rescue : an untold story of American nurses and medics behind Nazi lines
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A woman of no importance the untold story of the American spy who helped win World War II
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A woman of no importance the untold story of the American spy who helped win World War II
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Roosevelt's secret war :FDR and World War II espionage
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Information hunters : when librarians, soldiers, and spies banded together in World War II Europe
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Skorzeny's secret missions; war memoirs of the most dangerous man in Europe
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Agent Jack : the true story of MI5's secret Nazi hunter
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The Ultra secret
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A woman of no importance : the untold story of the American spy who helped win World War II
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The Ministry of Ungentlemanly Warfare : the mavericks who plotted Hitler's downfall, giving birth to modern-day black ops
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The Shadow war
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Monopoly X : how top-secret World War II operations used the game of Monopoly to help Allied POWs escape, conceal spies, and send secret codes
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D-Day girls : the spies who armed the resistance, sabotaged the Nazis, and helped win World War II
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Madame Fourcade's secret war the daring young woman who led France's largest spy network against Hitler
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Geniuses at war : Bletchley Park, Colossus, and the dawn of the digital age
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Between silk and cyanide : a codemaker's war, 1941-1945
