This encyclopedia contains the latest information about dinosaurs and their contemporaries, plesiosaurs and pterosaurs. Detailed stories about how dinosaurs mined their food, hunted and defended themselves from enemies, communicated with each other and took care of their offspring. Scientists' debate about the origin of birds and hypotheses about the causes of the extinction of dinosaurs. History of the development of life on Earth. Colorful illustrations, various schemes and vivid descriptions will help you travel through time and visit the world of dinosaurs! For high school age.