The campaign from Murfreesboro, Tennessee, to Chickamauga, Georgia, followed by the siege of Chattanooga, is one of the most dramatic stories of the entire Civil War. Union Major General William S. Rosecrans led a brilliant advance into Georgia, taking Chattanooga with the loss of only six men. Near Chickamauga Creek, Confederate General Braxton Bragg routed Rosecrans' army, then laid siege to it from the heights around Chattanooga. Major...