From New York Times bestselling author Catherine Ryan Hyde comes an unforgettable story of courage and finding forgiveness in an unforgiving wilderness. Seventeen-year-old Ethan Underwood is totally unprepared to search for his father in the Blythe River National Wilderness. Not only is he small, scrawny, and skittish but he's barely speaking to the man after a traumatic betrayal. Yet when his father vanishes from their remote cabin and rangers abandon...