The product is a scholarly book titled "History of the Art of War in the Middle Ages, 378-1278 AD" by Charles William Chadwick Oman. Published by Stackpole Books, this hardcover book delves into the military strategies and tactics employed in medieval Europe during a period of significant conflict. With 576 pages, this book covers a range of topics within the genre of military history, making it a valuable resource for those interested in the art of war during the Middle Ages. Written in English, this book offers a detailed exploration of the battles and warrior tactics of this turbulent era.