Wildfire

Classic Western, first published in 1917. One of Zane Grey's best-known novels. According to Wikipedia: "Zane Grey (1872 – 1939) was an American author best known for his popular adventure novels and stories that presented an idealized image of the rugged Old West. As of June 2007, the Internet Movie Database credits Grey with 110 films, one TV episode, and a series, Dick Powell's Zane Grey Theater based loosely on his novels and short stories."