"Big Soviet Encyclopedia" is a huge book drawn in the style of socialist realism, which appeared in the USSR at the beginning of the 20th century. It has become an important source of knowledge for millions of people looking for information in various fields of knowledge. Thanks to this encyclopedia, Soviet youth could familiarize themselves with world culture, history, science, technology and many other topics. Each page of the "Great Soviet Encyclopedia" was filled with illustrations that complemented the text, making knowledge more accessible and understandable. This book became not only a reference book for schoolchildren and students, but also a symbol of the political and ideological system of the Soviet Union. The "Great Soviet Encyclopedia" continues to be an important document of world culture, because it testifies to the views and ideals of Soviet society that changed over time.