Zane Grey 
The Rainbow Trail, A Romance 

The Rainbow Trail is written by Zane Grey and is a sequel to Riders of the Purple Sage. It was published in 1915 and re-edited in recent years. The story takes you ten years in the future from Riders of the Purple Sage. In this book, the wall of Surprise Valley wall is broken, and Jane Withersteen is forced to choose between Lassiter's life and Fay Larkin's marriage to a Mormon.Both novels are notable for their protagonists' mild opposition to Mormon polygamy, but the theme is treated more explicitly in The Rainbow Trail. The story revolves around the victimization of women in the Mormon culture.The story of Riders of the Purple Sage revolves around the struggle of a Mormon woman who sacrifices her wealth and social status to keep her away from becoming the junior wife of the head of the church. Whereas, The Rainbow Trail compares older Mormons with a growing generation of Mormon women who will not tolerate polygamy and Mormon men who do not want it.A movie is also made in 1931 by the same name.