Tor Books, July 1991. Mass Market PaperBack. Used - Good. Item #288028
Manse Everard is a man with a mission. As an Unattached Agent of the Time Patrol, he's to go anyplace - and anytime! - where humanity's transcendent future is threatened by the alteration of the past. This is Manse's profession, and his burden: for how much suffering, throughout human history, can he bear to preserve?