One of the author's twin sons is a savant, challenged by serious intellectual deficits but also blessed with rare talents: an astonishing memory, a dazzling knack for navigation, and reflexive honesty. Father and son embark on a cross-country journey, seeing the best and worst of America and each other. From the author of Friday Night Lights and Three Nights in August. "Gorgeous and brutally honest account of their adventure."—Entertainment Weekly