The Captain of Estel: The Complete Trilogy

Starship pilot Terry Radnor is committed to defending the secret colony Maclairn against opponents of paranormal human mind powers. After long exile, fate puts him in place to confront the colony's greatest peril. Journeying from world to spread hope, he does not guess that he is destined to play an even greater role in human history, much less that his legacy will determine the future of Earth.