The Upper Triassic period is when dinosaurs first began to roam Earth. Readers explore the world of the first dinosaurs in this book. They learn about giant sea

Concise detailed review — amply illustrated — of the astonishing creatures that ruled the earth for some 180 million years, with particular emphasis on the

The dinosaurs of the Upper Jurassic were larger than ever before, including the first birds and incredible sea creatures. The most amazing dinosaurs and reptile

Text and art portray over 100 prehistoric reptiles of land, sea, and air, including the reptiles that preceded the dinosaurs, the dinosaur giants of the Mesozoi