Imagine an animal with teeth as big as bananas - and a brain as big as an orange. Or a flying animal with wings as wide ad a small plane. Think about a tail that could knock a man's head off, or a mouth with hundreds of teeth. It is any surprise that people are intrested in dinosaurs? Nobody has ever seen a living dinosaurs, but millions of us go to museums every year to stare at bones of these enormous animals. In books, films and games, we can't get enough of these secrets of the dinosaur world...