The book "Yorktown and the Siege of 1781" by Charles E. Hatch, Jr. is a detailed study of the decisive battle in the American Revolution, which was a decisive stage in the American victory over the British. In his book, Hatch reveals the strategic and tactical genius of the leaders of both sides, describing the events leading up to the siege, the siege of Yorktown itself, and its final liberation. The author examines in detail the strategy and tactics of the leaders of both armies - George Washington and Cornwallis, paying attention to their decisions and influence on the military development of events. In addition, it reveals important factors that influenced the course of the battle, such as the interaction with the French ally and the situation in the southern American colonies. "Yorktown and the Siege of 1781" by Triumph is a fascinating book that offers the reader a thorough analysis of a pivotal battle in American history and identifies the importance of combining strategy, tactics, and military art to achieve victory.