It is a comprehensive on-line hypertext book about dinosaurs. It is designed for students of all ages and levels of comprehension. It has and easy-to-use structure that allows readers to start at a basic level on each topic, and then to access to much more advanced information as desire, simply by clicking on links. At the left hand side of every page you will find some categories that provide information about them. These categories are: All about Dinosaurs, Dino Info Pages, Dino Fact Sheets, Dino Printouts, Paleontologists, List of Dinos, Anatomy and Behavior, Mesozoic Era, Extinction, Fossils, Mesozoic Plants, Classification, Dino Quizzed, Dictionary, Dino News, Classroom Activities, Dino Fun, and a lot more. Here, you can find answers to some questions such as what is a Dinosaur? What is Extinction? What do dinosaur names mean? What are fossils? And a lot more.