"In this book, the author provides an hour-by-hour tactical history of the battle, beginning before dawn on September 17 and concluding with the immediate aftermath of the battle, including General McClellan's fateful decision to not pursue Lee's retreating forces back across the Potomac to Virginia. But this is not only an operational history of Antietam: the author also offers the reader insight into the experiences of enlisted soldiers, the terror of the fighting itself, and the emotional aftermath for those who survived"--