Instruct: Classify Amazon reviews into positive or negative sentiment
Query: A Surprisingly readable History Book.

Marine Infantry and their navy Corpsmen who served in Vietnam, will find their unit in this book, as well as those who served before and after their tours. More importantly grunts and Docs will know and understand better what they were doing and how that fit into the Marine Corps overall involvement in the war. Mr Murphy has talant beyond that of a history book author. The courage and selfless bravery of the men in this books pages speaks volumnes for a generation described differently elswhere.