The magic tree house transports Jack and Annie on a mission to the Ice Age where they encounter Cro-Magnons, cave bears, sabertooth tigers, and woolly mammoths.

Riding Whinney with Jondalar, the man she loves, and followed by the mare's colt, Ayla ventures into the land of the Mamutoi, the Mammoth Hunters. She has finally found the Others she has been seeking. Though Ayla must learn their different customs and language, she is adopted because of her remarkable hunting ability, singular healing skills, and uncanny fire-making technique. She finds women friends and painful memories of the Clan she left behind,...

The Croods need a new place to live. So, the first prehistoric family sets off into the world in search of a safer place to call home. When they discover an idyllic walled-in paradise that meets all their needs, they think their problems are solved, except for one thing. Another family already lives there: the Bettermans.

Nora Kelly, a young archaeologist in Santa Fe, receives a letter written sixteen years ago, yet mysteriously mailed only recently. In it her father, long believed dead, hints at a fantastic discovery that will make him famous and rich—-the lost city of an ancient civilization that suddenly vanished a thousand years ago. Now Nora is leading an expedition into a harsh, remote corner of Utah's canyon country. Searching for her father and his glory,...

Jondalar and Ayla are two Ice Age travelers on an uncertain journey. The journey will require them to brave flash floods and glaciers, hungry hyenas and vengeful hunter women, and midnight visions and painful echoes from the past.

Twelve-thousand-years ago, the glaciers of the Sierra Nevada were melting, destroying the habitat of the mastodons and creating the rich land that would become California. The coastal people struggle to understand the changing world around them: their seer Sunchaser has lost his way to the Spirit World, and mammoths continue to disappear. When a beautiful woman arrives, fleeing from her abusive husband, the people know what they must do-for if the...

Provides information on prehistoric animals, including what dinosaurs are and what happened to them, what other animals lived at the same time as dinosaurs, how we know about dinosaurs and when they lived, and more.

As the planet starts to enter the Ice Age, mammoth Manfred and sloth Sid find a baby human and join with saber-toothed tiger Diego on a quest to return the baby to its family.

Oona finds a giant egg and brings it back to West Wog to care for it, and see what hatches--but others in the cave want to claim her egg, particularly the nasty kid Bruce Brute, and when the baby stegosaurus hatches it will have to choose who it wants to live with.