"About 250 million years ago, the first dinosaurs began to roam Earth. Join your friendly prehistoric fish-guide on an adventure through the Triassic and Jurassic eras--thrilling chapters in the story of evolution"--

"About 145 million years ago, a new--and final--era began in the reign of dinosaurs. Join your friendly prehistoric fish-guide on a tour of the Cretaceous period, from the heyday of dinosaurs to their extinction."--