The book "History of the Fifty-seventh Regiment Pennsylvania Volunteer Infantry, First Brigade, First Division, Third Corps, and Second Brigade, Third Division, Second Corps, Army of the Potomac" is a valuable source of information on the participation of military units in the United States Civil War. The authors of the book, placing in this edition military documents, reports and testimonies of the participants in the hostilities, tell about the glorious history and exploits of the soldiers who served in the fifty-seventh regiment. You will feel the spirit of the battles, see the world of screaming flags and the firing of muskets that sounded against the background of the Potomac estate. This book is a living testimony of military history that will leave an unforgettable impression on every reader.