"Great Soviet Encyclopedia" is a publication that has become a real treasure of knowledge for generations of readers not only in the former USSR, but also in many other countries. This encyclopedia, which was edited by an academician of the USSR, is not only a source of information about world culture, science, history and technology, but also a kind of window into the past. Thanks to it, readers were able to learn about a wide range of topics: from astronomy and biology to philosophy and art. "The Great Soviet Encyclopedia" is not just a reference book, but a real cultural phenomenon that helped expand the worldview and develop the intellectual abilities of its readers.