Dinosaurs continue to provoke a powerful fascination for each new generation, and this guide to the vanished creatures of the primeval world provides answers to questions such as: what were the dinosaurs?; how and why did they evolve from lower reptiles?; what did they eat and by what other creatures were they eaten?; and what mysterious forces of nature led to their extinction? Over 300 kinds of dinosaur are described in detail and arranged in families, orders and sub-orders, from small, flesh-eating coelurosaurs to huge, plant-eating sauropods.