The pigpen cipher, the Devil's Coffee Mill, and germ warfare were all a part of the Civil War, but you won't learn that in your history books! Discover the truth about Widow Greenhow's spy ring,...
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Auteur: Bearce, StephanieSommaire: -
Auteur: Bearce, StephanieSommaire:Flame throwers, spy trees, bird bombs, and Hell Fighters were all a part of World War I, but you won't learn that in your history books! Uncover long-lost secrets of spies like Howard Burnham, "...