Synopsis: A Tyrannosaurus rex was tall enough to look in your second-story bedroom window. It had between fifty and sixty teeth -- each six inches long. Few dinosaurs could run faster than a "Tyrannosourus rex" or escape its keen eyesight. What exactly did "Tyrannosourus rex" hunt? How did it stalk its prey? Read and find out all about one of the deadliest carnivores of the prehistoric world.

Synopsis: Track dinosaurs with the earliest fossil hunters and modern-day geologists! Read about their amazing discoveries! These 48-page books about fascinating subjects like pirates, mummies, and volcanoes are for proficient readers who can understand a rich vocabulary and challenging sentence structure. In addition to the stunning photographs, informative sidebars, and glossary, readers will find archival photographs and paintings. Averaging 4,500 to 5…

Synopsis: Travel back to the time when the mighty dinosaurs ruled the earth.The Age of Dinosaurs began about 250 million years ago. In the beginning they were quite small but over time they evolved into the varied and fascinating creatures that captivate our imaginations today. What we know about dinosaurs is evolving, too! We've learned that some dinosaurs were good parents, that dinosaurs could grow new teeth when old ones fell out, and that most…