"Tyrannosaurus rex had sharp teeth that could bite through bone, and Triceratops must have been an intimidating sight with their large frills and prominent horns. It's no wonder dinos ruled Earth back in the Cretaceous period. But what about creatures flying high in the sky or predators lurking under the waves? Many of these animals were not dinos.

Includes index.

The time of dinosaurs -- The Cretaceous period -- Dinosaurs of the Cretaceous -- Not a dino -- How do we know? -- Quetzalcoatlus -- Kronosaurus -- Kaprosaurus -- Mosasaurus -- End of the Cretaceous.