If you're mad about dinosaurs this is the perfect encyclopedia for you. This fully revised edition is loaded with fascinating facts and incredibly realistic 3-D illustrations that capture dinosaurs stomping roaring and snapping across the prehistoric world. Did you know that Velociraptor had three large killer claws on each foot to hunt down prey/ Or that the long-necked Diplodocus was as long as three school buses. Would you believe that Carcharodon megalodon was an ocean monster with a fearsome bite at least six times stronger than a great white shark. Revealing more than 60 prehistoric creatures from the age of the dinosaurs to the Ice Age'