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.

A natural disaster leaves the young girl wandering alone in an unfamiliar and dangerous land until she is found by a woman of the Clan, people very different from her own kind. To them, blond, blue-eyed Ayla looks peculiar and ugly--she is one of the Others, those who have moved into their ancient homeland; but Iza cannot leave the girl to die and takes her with them. Iza and Creb, the old Mog-ur, grow to love her, and as Ayla learns the ways of the...

Ayla and Jondalar meet the Mamutoi-the Mammoth Hunters--people like Ayla. Ayla finds herself torn between the wildly jealous Jondalar and the master carver Ranec.

In this sequel to The Clan of the Cave Bears, Jean Auel continues the story of Ayla. Ayla sets out on a journey to meet others like herself during which she encounters a herd of horses and rescues a young man from death.

Still trying to stop the evil Dr. Kron-Tox, Andrew, his cousin Judy, Thudd the robot, and Beeper find Uncle Al in the Ice Age, where they encounter prehistoric animals, birds, and people.

Geronimo Stilton's ancient ancestor is back in another prehistoric adventure! A mysterious rodent has been shipwrecked on Mouse Island. He's a prehistoric pirate, and he's searching for a lost Stone Age treasure! Geronimo Stiltonoot and his family volunteer to help him on his dangerous hunt. Petrified cheese! Can they find the treasure without going extinct on the way?

A little prehistoric boy decides to hunt for his own food, and makes a new friend in the process.

The Time Warp Trio find themselves in the middle of an adventure in prehistoric times, where cave art is a form of graffiti and "rock" music takes on a whole new meaning.

In a parallel world in which Neanderthals, rather than homo sapiens, became the dominant intelligent species, a dangerous scientific experiment traps a Neanderthal physicist on Earth.