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.

Provides a brief introduction to the Brachiosaurus dinosaur, examining what it looked like, what it ate, how it behaved, and its special skills and features such as its very long neck.

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Getting the facts behind the fiction has never looked better. Track the facts with Jack and Annie!!
 
When Jack and Annie got back from their adventure in Magic Tree House Merlin Mission #11: Dark Day in the Deep Sea, they had lots of questions. How big is a giant squid? What is a dragonfish?...

Provides a brief introduction to the Tyrannosaurus rex dinosaur, examining what it looked like, what it ate, how it behaved, and its special skills and features such as its enormous teeth and powerful jaws.

"When their cousin is stung by a cavefly and falls into a deep sleep, Geronimo and Thea set out in search of the rare pink stinkrose, whose petals are thought to provide a cure."--Provided by publisher.

Looks at six animals who existed in prehistoric times and still exist today, discussing the ways in which each contemporary creature closely resembles its ancient counterpart in appearance, behavior, and habitat.

Describes Megalodon, an extinct shark that was more than fifty feet long and could swallow an object the size of a small car.

"It is time for T. rex and his dinosaur cousins to step aside and let other mega-predators like the terror bird and the giant ripper lizard take the spotlight! Travel back to prehistoric times and meet some of the most impressive creatures to ever roam the Earth. You'll be amazed at the size and the fierceness of these lesser-known predators, many of them ancient ancestors of animals that we still see today. tewart's cheeky, humorous voice--along...

"From woolly mammoths to saber-toothed cats, prehistoric mammals once roamed Earth. With beautiful and engaging illustrations, authentic photos, and accessible text, kids will learn all about these mighty mammals in this Level 2 reader" --

"Travel back to the time of dinosaurs and marvel at the wonders of prehistoric life! From the Tyrannosaurus rex and saber-toothed cats, to woolly mammoths and ferns, this dinosaur book for kids is packed with a collection of amazing plants, dinosaurs and prehistoric animals. Every page will captivate young readers who are interested in fossils and natural history! Inside the pages of this dinosaur encyclopedia, you'll discover: A captivating story...