Dinosaurs

An identification guide to the most important and best known dinosaursDo you know the difference between a Coelophysis and a Diplodocus? How much larger than a human was a Spinosarus? Is it likely that the Parasaurolophus made a sound like a trombone? All these questions and many more are answered in Collins Gem Dinosaurs, a highly illustrated guide to the world''s very wild life hundreds of milli...