Agustinia was a giant, four-footed plant eater with strange plates and spikes running down its back. Achelousaurus would have looked a lot like its relative Triceratops, if Triceratops' horns had been snapped off. Feathered Guanlong looked as fierce as its cousin T. rex - but Guanlong was only 10 feet long. These three plus nine more new discoveries join everyone's favorites - such as Triceratops, Brachiosaurus, and T. rex - for a feast of more than 80 fascinating dinosaurs. They are here in all their glory, walking, hunting, feeding, running, and raising their young.Short text takes young readers into the science behind the beasts. Young readers will find more than new dinosaurs here. This popular book has been fully updated to match the latest scientific findings. Changes to the text and art have been made throughout. Most notably, the art of several well-known dinosaurs, such as Velociraptor and Oviraptor, have been revised or completely redone to add the feathers these creatures wore in life. Some of the world's best dinosaur artists bring these long-gone creatures to life in full-color illustrations that show how scientists think they really lived. The journey back to the Age of Dinosaurs has never been so strange or fascinating as it is today.