Krono - Charles L. Harness (1st Edition)
1st Edition. Published in 1988.
The colonization of Earth's prehistoric past offers an ideal solution to humanity's population problem until a timequake sends a veteran time surveyor on a quest that violates the laws of time and Earth's Overlord. Theories of time and space interweave flawlessly with the personal story of a man's love for his estranged family in this intricate and elegant novel.