"The Great Soviet Encyclopedia" is one of the largest publications of the last century, which became a real treasure of knowledge for readers of the Soviet era. This encyclopedia contains a huge amount of information about various aspects of life: from history and geography to science, technology and culture. Thanks to many illustrations and diagrams, the reader can visualize the described objects and phenomena. "Great Soviet Encyclopedia" is an excellent source of knowledge for everyone who is interested in the history of Ukraine and the world, science and culture of past decades.