The encyclopedia introduces younger schoolchildren to the wonderful world of dinosaurs in a playful and entertaining way. Thematically divided chapters are devoted to the birth of these giants, the Mesozoic era in which they dominated our planet, describe their life and the possible causes of their extinction, characterize individual groups of dinosaurs and present portraits of the most famous ones. Rich illustrations and simple picture stories make it easier for children to understand, and the book is enriched with fun tasks and attractions.