From the New York Times bestselling author of The Descendants--a "funny, insightful, and unsentimental" (People, 4 stars) novel about a grieving mother and the shocking surprise that may help her reclaim her hold on life.In the idyllic ski town of Breckenridge, Colorado, Sarah St. John is reeling. Three months ago, her twenty-two-year-old son, Cully, died in an avalanche. Sarah's father, a retiree, tries to distract her from her grief with gadgets...