Across the bleak surface of the Moon they fled - the visionary scientist Mark Randall, and his brilliant companion, Ann Willett. Close behind were their pursuers, the crack agents of the BPS, security arm of the all-powerful tyranny that ruled over Earth. Their story was being chronicled by Joel Blake, who is more than he believed himself to be. All that remained for Mark and Ann was a last, desperate gamble.

Sutton writes either near-future near-Earth-orbit SF, or Psi-talent books. I think the Psi books are best, and recommend this one.