The stunning conclusion to the Eisenhorn trilogy. An old friend of Gregor Eisenhorn no longer can tolerate Eisenhorn's methods and leaves in disgust. Then a monstrous foe arises from Eisenhorn's own creation. The aged inquisitor is left wondering which side of the fine line between the utilization of proper mystical resources to protect mankind and the corrupting forces of Chaos that he is now on. (July)