Once a Warrior King: Memories of an Officer in Vietnam by David Donovan, Paperback published by Ballantine Books, Aug 1986. Listed as First Ballantine edition.
He Was a young American soldier -- and the most powerful man in a remote rural District of Vietnam. In the spring of 1969, First Lieutenant David Donovan arrived in the Mekong Delta of South Vietnam to work as military advisor with village chiefs and local militia to win the war. But as he was the highest-ranking person in the entire district, his life there was far more complex than anyone could have imagined. This is Donovan's gripping account of combat missions and night ambushes in the swamps and jungles of the Delta...his heartrending tale of personal involvement with the culture and families in his charge...his humane introspection on his awesome responsibility as both warrior and king...his stark reflections on the changes he saw in himself and his country upon his return to the U.SA,

Back cover has small nick off corner. Clean and tight inside.