Twelve-year-old Will wants to be a drummer in the Union army, but he's stuck far from the fighting in his sleepy hometown of Gettysburg, Pennsylvania. Then the Union and Confederate armies converge on Gettysburg, and suddenly Will and his family are caught up in the battle. From delivering important messages and helping the wounded to even saving a young soldier's life, Will takes readers on a firsthand trip through one of the Civil War's most significant battles.