The Red Badge of Courage & Other Tales from the Civil War

"The Red Badge of Courage" – Taking place during the American Civil War, the story is about a young private of the Union Army, Henry Fleming, who flees from the field of battle. Overcome with shame, he longs for a wound, a "red badge of courage," to counteract his cowardice.

"The Little Regiment and Other Episodes from the American Civil War" is a collection of short stories with the Civil War as the main theme:

The Little Regiment

Three Miraculous Soldiers

A Mystery of Heroism

An Indiana Campaign

A Grey Sleeve

The Veteran