The Institute of Russian Civilization and the All-Slavic Union presents a three-volume Slavic encyclopedia, which summarizes the main results of the development of the Slavic world from ancient times to the present day. The encyclopedia includes information on the main branches of Slavic studies of all Slavic peoples: history, language, literature, geography, ethnography, archeology, science, culture and art. Collected information about faith, spiritual concepts, customs, work, life and home of the Slavs, who created one of the greatest world civilizations. The encyclopedia systematized more than 400 sources, used materials about the life of the Slavs, collected by outstanding Slavic scientists and experts in folk life.