In the tradition of Atul Gawande and Sherwin Nuland, Marc Agronin writes luminously and unforgettably of life as he sees it as a doctor. His beat is a nursing home in Miami that some would dismiss as "God's waiting room." Nothing in the young doctor's medical training had quite prepared him for what he was to discover there. As Agronin first learned from ninety-eight-year-old Esther and, later, from countless others, the true scales of aging aren't...