Description
The pigpen cipher, the Devil’s Coffee Mill, and germ warfare were all a part of the Civil War, but you will not learn that for 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 discover ways to make a cipher wheel and send secret light signals for your friends. It is all a part of the actual stories from the Top Secret Files: The Civil War. Have a look in case you dare, but be careful! Some secrets are supposed to stay hidden…