Illustrations and text look at what we know about how and when dinosaurs lived, and about related prehistoric creatures.

"Giant photo-fact collection"--Cover.

The Triassic period : Plant-eaters ; Meat-eaters -- Triassic through Cretaceous : Flying reptiles -- The Jurassic period : Giants ; Stegosaurs ; Meat-eaters -- Jurassic through Cretaceous : Dinobirds -- The Cretaceous period : Hadrosaurs ; Boneheads ; Ankylosaurs ; Ceratopsians ; Hunters ; Dromaeosaurs ; Troodon ; Oviraptorosaurs ; Bird mimics ; Tyrannosaurus -- Today : See them yourself! -- Glossary.