Synopsis: A giant meteor blasts an enormous crater into Earth's surface, causing the end of what scientists call the Age of Dinosaurs. Gail Gibbons presents the most recent and up-to-date theories about the history of dinosaurs and dinosaur discoveries. She discusses the Triassic, Jurassic, and Cretaceous periods and the non-bird dinosaurs that lived during each time.Each dinosaur is explored in just the right amount of detail for young paleontologists,…