"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 places 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 you through the battles in a documented and ordered progression. Eighteen stops are arranged, in the order of the battles as they unfolded"