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

Follows the life of a giant prehistoric sea turtle.

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.

"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. But what creature injured Yarp in the first place? Henry is determined...

All the mammoths have fled Old Mouse City! It's a total cat-astrophe! Not only because mammoths are valuable allies of the cavemice, but also because without them, the cavemice can't make mammoth milkshakes, their delicious national drink. Geronimo Stiltonoot must embark on a daring journey to find the mammoths...and avoid going extinct before he gets back!

Geronimo Stilton's ancestor, Geronimo Stiltonoot, investigates a witness's claim of a moving mountain of ice.

When Connecticut middle-schooler, Jake and his older sister, Kady are transported back to Pangaea, the strange world of lost civilizations, they must find the truth behind the mythic Eye of Ra in order to survive.

"Determined to show Ronnie just how interesting prehistoric life was BEFORE the age of the dinosaurs, Miss Lernin takes her back in time to the six parts of the Paleozoic era to study the earliest lifeforms on Earth, starting with the rise of the vertebrates"--

When photographs of Peanut the dinosaur appear on the Web, Frank's father arrives in Wyoming with a story about the prehistoric reptile he saw nearby twenty years earlier.

Kip the Cave Boy and Paleowolf each face hunger and danger on a journey in Paleolithic times, and when they decide to join forces and help one another, Paleowolf becomes the first dog.