An exploration of the time period preceding the Jurassic and Cretaceous periods, when reptiles first emerged, dinosaurs eventually became the most important land animals, pterosaurs took to the air, and ichthyosaurs swam the seas.

Includes index.

Setting the scene -- The end of an era -- Reptiles on land -- The first dinosaurs -- Danger in the Triassic -- Reptiles in the air -- Mammals and dinosaurs -- Beneath Triassic waves.