What a wonderful read! While the main character, a writer named Phoebe, spends some months helping her sister-in-law run her dude ranch in Arizona, she discovers an old and hidden diary of a woman from the past named Ellender who once lived in the area. She's taken away by the history and mystery of its story, and it becomes something she can't stop investigating. If you're looking for a mysterious tale within a western setting, you can live vicariously through the lives of these two women. A real page-turner!