"Geronimo Stilton's ancient ancestor Geronimo Stiltonoot is back in another prehistoric adventure! It's the annual cavemouse sports competition! This year, Tiger Khan and his saber-toothed henchmen want to enter the games. They call a truce with the cavemice during the tournament...but when their flag goes missing, Tiger Khan is furious. Can Geronimo Stiltonoot track it down in time to keep his fur intact?" --

As Mammoth Academy spends a term excitedly preparing for its Founder's Fiesta, wild and dangerous animals called humans are spraying the school's gates with graffiti and threatening the students.

Woolly mammoth siblings Oscar and Arabella enjoy being at Mammoth Academy, but Oscar is accused of stealing oranges and when he follows some mysterious tracks to find the real thief, he discovers humans living nearby.

Dusk, the world's first bat, must lead his colony to safety in a time of changing species.

Oscar and Arabella, two woolly mammoths, try to cool off during a very hot summer.

It's the start of an exciting cavemice contest: a race to Boulder Bay and back! It's a dangerous route, but it will supply the village cheese maker with rare hot lava peppers, and there's a big cash prize. Trap teams up with Geronimo Stiltonoot -- who has a lazy, slow, city autosaurus (the cavemice mode of transportation). Can they reach the finish line without going extinct on the way?

"Geronimo Stilton's ancient ancestor Geronimo Stiltonoot is back in another prehistoric adventure! It's the night of the big Cavemouse Idol competition, but Geronimo Stiltonoot isn't there. He has a cold, and goes to bed early. So when it's discovered that the contest's valuable grand prize has been stolen, Geronimo is the main suspect! He must prove his innocence ... or he'll end up in enormouse trouble!"--

Determined to become Internet stars, two prehistoric creatures -- Trilobite and Amber, a walking whale -- face off against a host of creatures vying for fame and fortune, using their newfound skills to take the online world by storm.

This is the story of 10-year-old Henry, who has moved with his mother, his father died when he was small, to a snowy mountain town where it has been hard to make friends. Making matters worse is a concussion he sustained when bullies collapsed a snow tunnel onto him. When Henry finds an injured prehistoric short-faced bear, he names him Yarp and, in secret, nurses him back to health.

Rhyming text in the pattern of "Over in the meadow" introduces dinosaurs and other prehistoric creatures and their mothers, from one trumpeting woolly mammoth to ten hatching maiasaurs. Includes a timeline and facts about the animals in the rhyme.