Dinosaur Number Crunch
Love dinosaurs? Then you need all the facts, figures, and amazing information about them right at your fingertips. This easy-to-read, fact-packed overview of everything dinosaurs is bursting with colorful infographics and high-impact artwork. The comprehensive coverage includes key dinosaur facts and stats you need to know, from the dawn of the Triassic period 230 million years ago to their extinction 65 million years ago.