This book features the official reports and physical observations of the commanding officers in their own words, along with numerous illustrations, photographs and diagrams. It takes you through the operations of the opposing armies as they meet at the Battle of South Mountain. You follow the action through such place as Fox's, Turner's and Crampton's Gaps to Harpers Ferry, across Boteler's Ford and on to Sharpsburg and the climax of the fighting. This book takes takes you through the battles in a documented and ordered progression. Eighteen stops are arranged, in the travel instructions will let you observe critical ground that most area visitors will never see, and you will leave these sites with new perspectives.