In early May 1864, Lieutenant General Ulysses S. Grant initiated a drive through central Virginia to crush Robert E. Lee's Confederate Army of Northern Virginia. For forty days, the armies fought a grinding campaign from the Rapidan River to the James River that helped decide the course of the Civil War. Several of the war's bloodiest engagements occurred in this brief period: the Wilderness, Spotsylvania Court House, the North Anna River, Totopotomoy...