Zane Grey was an American author best known for his adventure novels and pulp fiction that glamorized the Old West. Grey became one of the first millionaire authors. He would spend part of the year traveling having adventures and the rest of the year using his experiences to create his fiction. The Rustlers of Pecos County is a novel of adventure, action, and romance set in Texas. The story follows two rangers who attempt to clean out the ruthless rustlers who infiltrate the Texas Rangers.