Beyond the Gap by Harry Turtledove (2007)

A fantasy novel set in a world resembling Ice Age North America. Continue reading Beyond the Gap by Harry Turtledove (2007)

Bones of the Earth by Michael Swanwick (2002)

Dinosaurs prove less problematic than humans in this time travel novel. Continue reading Bones of the Earth by Michael Swanwick (2002)

A paleontologist discovers fresh dinosaur eggs in a United States ruled by religious fundamentalists. Continue reading Lords of Creation by Tim Sullivan (1992)

In an alternate reality where Venus is covered in prehistoric jungle, a rescue mission is sent to recover the crew of a downed spaceship. Continue reading The Sky People by S.M. Stirling (2010)

A time traveler is stuck in the prehistoric past in this short novel penned by a famous paleontologist. Continue reading The Dechronization of Sam Magruder by George Gaylord Simpson (1996)

Time traveling turns into big business when a causal walk down a farm path leads an archaeologist into the Pleistocene era. Continue reading Mastodonia by Clifford D. Simak (1978)