The Authentic Story of Billy the Kid is a non-fiction book written by Pat F. Garrett. The book provides a detailed and factual account of the life and times of one of the most notorious outlaws in the history of the American West, William H. Bonney, also known as Billy the Kid. The author, Pat F. Garrett, was a former sheriff of Lincoln County, New Mexico, who had a personal connection with the outlaw. Garrett was the one who tracked down and killed...