"The Army of the Cumberland and the Battle of Stone River" - a book written by the author G. C. Kniffin, tells about one of the important battles of the American Civil War. This detailed historical book explores the strategic significance of the Battle of the Groaning River for both sides of the conflict. The author reveals such aspects as tactics of military operations, strategic decisions of the command and training of military units. The reader will have the opportunity to immerse himself in the events of that time and understand the key points of this important part of the war, which had a huge impact on the further course of the conflict.