To the Last Man: A Story of the Pleasant Valley War is a western novel written by Zane Grey. It is a story of a family feud healed by young love. The story is based on a factual event involving the notorious Hashknife gang of Northern Arizona.
Pearl Zane Grey (January 31, 1872 – October 23, 1939) was an American author and dentist best known for his popular adventure novels and stories associated with the Western genre in literature and the arts; he idealized the American frontier. Riders of the Purple Sage (1912) was his best-selling book. In addition to the commercial success of his printed works, his books have had second lives and continuing influence when adapted as films and television productions. His novels and short stories have been adapted into 112 films, two television episodes, and a television series, Dick Powell's Zane Grey Theater.