Everything you need to understand or teach The Guns of the South by Harry Turtledove.
The Guns of the South by Harry Turtledove is a novel about the Civil War, but it is not the average Civil War novel. In this book, the events of the Civil War take a turn when a group of men from one hundred fifty years in the future appear and offer their services to the Confederacy. In addition to their services, they also offer to supply a fantastic new weapon...