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, Knowledge Encyclopedia Dinosaur! gets you up close and personal with these amazing animals.