"Where did the tree house come from? Before Jack and Annie can find out, the mysterious tree house whisks them to the prehistoric past. Now they have to figure out how to get home. Can they do it before dark ... or will they become a dinosaur's dinner?" --

In prehistoric days there were many different kinds of dinosaurs, big and small, those with spikes and those with long, sharp teeth.

Step back in time...to the Age of the Dinosaurs! Dinosaurs ruled Earth for milions of years. Some were small and could run very, very fast. Others were big and covered with spikes and plates for protection. Some were huge and terrified other dinosaurs with their long, sharp teeth. In this newly revised edition, Dinosaurs! reflects further paleontological discoveries made since its publication in 2008, while still offering young dino-enthusiasts...

Text and photographs explore the world of the dinosaurs, focusing on such aspects as their teeth, feet, eggs, and fossils. From cover to cover, this openly invites the reader to discover the delights of dinosaurs. The visual appeal is impressive. The text is informative. Fossilization, skeleton reconstruction, and a superb time scale round out a stunning and compelling book. Complete, authoritative, exact, and imaginative, it is sure to survive when...

Discusses the environment in which dinosaurs lived, the characteristics of different types of dinosaurs, the disappearance of these creatures, and how scientists learn from their fossil remains.

Meat-eating dinosaurs face plant-eating dinosaurs in a baseball game.

Plant-eating dinosaurs compete against meat-eating dinosaurs at a swimming meet.

An easy-to-read introduction to eleven different dinosaurs--their size, their diet, the pronunciation of their names, and their distinctive characteristics.

A compelling account of how the impact of a giant asteroid may have killed the Earth's dinosaurs.

Learn what it's like to come face-to-face with some of the dinosaurs that once roamed the Earth through these "actual-size" illustrations.