The books of the series acquaint the young reader with the amazing diversity of the world around him, broaden his horizons. Young intellectuals will find answers to many questions about the world around them in the colorful encyclopedias of this series. Reading them is easy and convenient - the basic concepts in the book are given in thematic order, and an alphabetical index makes it easier to find information. The vastness and completeness of the facts presented, an understandable and fascinating presentation, make these books popular and in demand. The publication contains many colorful illustrations that make the process of learning even more exciting.