In 1938, Civilian Conservation Corps cadet John Patton Jr. found the key to our darkest secret-an anomalous skeleton neither animal nor man. Uncertain of its implications, Patton hid the discovery away from the world-though never forgetting what he found. Seventy years later, his grandson Gardner is forced to come to terms with his grandfather's past, a man he never knew but in whose footsteps he inevitably follows. When his cousin,...