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.

"Blue-blooded crabs? Platypus that sting? One-hundred-year old reptiles? Meet some of nature's longest-surviving species! Discover the stories of these incredible animals and find out how they help scientists piece together evolutionary history."--

"Dino" Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children's books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these sea giants face-to-face: The Archelon was similar to a turtle, but its shell was...

Manny and his friends discover a lost world of dinosaurs.

When Scrat creates a meteor shower that threatens the Earth, the animals must band together to find a way to keep one giant meteor from destroying the world.

Connecticut middle-schooler Jake and his older sister Kady are transported by a Mayan artifact to a strange world inhabited by a mix of people from long-lost civilizations who are threatened by prehistoric creatures and an evil alchemist, the Skull King.

A guide to prehistoric life--if such life were developed from buttocks--describes the habitat, physical characteristics, diet, time period, stink rating, and similar vital statistics of "buttosaurs" throughout the ages.

"The giant, flightless Thunderbird was a creature so legendary tales of the animal are still told today. With their size and skills as predators, it's no wonder dinos ruled Earth back in the day. But many of the large animals of the Pleistocene epoch were not dinos. Become a paleontologist as you explore colorful illustrations and fabulous fossil photos to take a trip back in time and discover who was and was not a dino"--

"Engaging images accompany information about the megalodon. The combination of high-interest subject matter and light text is intended for students in grades 2 through 7"--

"Allosaurs hunted with sharp teeth, and Steogosaurs developed bones like armor to stay safe from fierce predators. It's no wonder dinos ruled Earth back in the Jurassic period. But what about creatures flying high in the sky or the predators lurking under the waves? Many of those animals were not dinos. Become a paleontologist of the Jurassic as you explore colorful illustrations and fabulous fossil photos to take a trip back in time and discover...