Mazer in Prison

Prequel to Ender's game. Mazer Rackham is the hero of the first war against the Formics. In order to allow him to command during the next war, he has been sent on a round trip through space at relativistic speeds, ensuring that when he returns to Earth sixty years will have passed, but only five years for him. Rackham, however, wants wants a replacement to be found for him. Lieutenant Hyrum Graff is charged with finding candidates.