Journey back to the Mesozoic Era, when fearsome dinosaurs roamed the land, menacing pterosaurs patrolled the skies, and the seas were filled with awesome reptiles.See every type of prehistoric animal in unprecedented detail and with stunning realism. Find out how these fascinating creatures lived, why they died out, and what their fossil traces tell us.This fully revised edition of Knowledge Encyclopedia: Dinosaur! is loaded with more than 60 prehistoric creatures, from the age of dinosaurs to the Ice Age. Did you know that Velociraptor had three "killer claws" on each foot to hunt down prey? Or that Diplodocus was as long as three school buses? Would you believe that the ocean monster Otodus megalodon could bite six times harder than today''s great white shark? Packed with jaw-dropping 3D images and cutting-edge science, this fact-filled book is bursting with dinosaur knowledge.