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, how soldiers stole a locomotive, and the identity of the mysterious ``Gray Ghost.
`` Then learn how to make a cipher wheel and send secret light signals to your friends.
It's all part of the true stories from the Top Secret Files: The Civil War.
Take a look if you dare, but be careful Some secrets are meant to stay hidden.
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55.99 Lei
