In the 1850s, Jean Rio, a deeply spiritual widow, was moved by the promises of Mormon missionaries and set out from England for Utah. Traveling across the Atlantic by steamer, up the Mississippi by riverboat, and westward by wagon, Rio kept a detailed diary of her extraordinary journey.In Faith and Betrayal, Sally Denton, an award-winning journalist and Rios great-great-granddaughter, uses the long-lost diary to re-create Rios experience. While she...