William Cross Hazelton spent four years as a brave and devoted member of the Union cavalry in the Civil War. During that time he corresponded with Fannie Morrill, the young woman who would become his fianc e and eventually his wife. His letters describe the life of an Illinois volunteer in the Army of the Potomac, the military unit that fought Lee's Army of Northern Virginia in most of the big battles of the Civil War: Williamsburg, Richmond, Antietam,...