Man, True Man — Mari Collier

A spaceship crashes into the planet Tonath. The lone occupant, a mutant with two hearts, survives and fights his way to the sunlit part of the planet. A passing freighter finds him and takes him to the Western Starshift Institute of the Way where the Teacher resides. Tonath is a planet being torn apart by the forces of nature. Only the Teacher can predict the movements of the Stars and interpret the prophesies. Will the Teacher be able to recognize True Man and True Foe in time to save Tonath from a thousand years of burning?