Our planet stores a lot of unknown and interesting things, which this encyclopedia will introduce you to: the origin of life on Earth, human activity, the most important inventions and discoveries made by him, achievements in the field of architecture and construction, the development of aviation and aeronautics, etc. The pages of the publication describe not only the Earth, but also other celestial bodies of the solar system - in general, the entire Universe, but the main attention is paid, of course, to our planet. And a large number of colorful illustrations will revive the written and arouse the imagination, which will make reading exciting and interesting. The encyclopedia is intended for children of secondary school age.