Riders of the Purple Sage is a Western novel by Zane Grey, first published by Harper & Brothers in 1912. Considered by scholars to have played a significant role in shaping the formula of the popular Western genre, the novel has been called "e;the most popular western novel of all time."e; Riders of the Purple Sage is a story about three main characters, Bern Venters, Jane Withersteen, and Jim Lassiter, who in various ways struggle with persecution from the local Mormon community ("e;Mormon"e; is the informal term for the Church of Jesus Christ of Latter-day Saints), led by Bishop Dyer and Elder Tull, in the fictional town of Cottonwoods, Utah.