Book Description: Explore the lost world of dinosaurs! Fun facts and excellent illustrations take you on an informative and entertaining journey into prehistoric animal life. The most up-to-date information on the varieties, habits, evolution, and extinction of dinosaurs can be found in the main text and amusing cartoon side bars. The ever-popular T-Rex, Stegosaurus, and Apatosaurus are studied in-depth. Kids also learn about the scientists and technology that help us to understand what took place so long ago.