The Day of the Dinosaurs introduces more complex life-forms, including dinosaurs, winged reptiles, flowering plants and mammals. It also addresses the mass extinction that occurred 65 million years ago. The Day of the Dinosaurs is part of A Cartoon History of the Earth. Each book closes with a timeline, a comprehensive glossary and an index. Scientific consultants, chosen for their particular areas of expertise, have verified all the factual information. Combined with humorous dialogue and comic-strip illustrations, each book in the series is at once entertaining, engaging and -- educational!