Susan Kingsley, a historical acquisitions assistant with dreams of making her mark at the Smithsonian, discovers letters from 1870 that hint at a hidden mine linked to a wagon train bound for the Mormon lands. While she tracks the letters’ new owner across the West, her ex-husband, FBI agent Andrew Harrison, shadows her every move. As Susan grows bolder in her quest, Andrew’s obsession descends into deceit, setting the stage for a high-stakes showdown over long-buried secrets. Kirkus Star Award Winner. 4.1 stars, 34 ratings. From $1.99 - SHOP NOW /