Welkin Quinn has always dreamed of setting foot on Earth. As an elite Skyborn teenager aboard a transport ship destined for Tau Ceti, all he knows of his home planet is what he has learned from the Elders as well as from a wealth of records and artifacts archived in the ship's memory. The creatures known as the Earthborn-brutish survivors of the devastation that laid waste to Earth-are an uncivilized and technologically primitive race in many ways...