Tristan grew up human among aliens, now he must use his alienness to survive among humans.

Lujan Serege is the Chief Commander of the Unified Worlds' special contingency force, and a man with many enemies. Young Tristan, his son, and Darcie, his wife, have been rescued after years of being marooned on a wild planet, then held in captivity by enemies of Lujan. But now the family is separated again, when Tristan is called to return to action on the terrible moon where he was formerly a captive. The war is not over yet.

Commander in Chief of the Unified Worlds' special forces, Lujan Serege is paralyzed by a terrorist bomb, but Lujan must find a way to expose the conspirators and help the Unified Worlds resist the cruel grasp of the Dominion before its too late. Reprint.