The book contains about 2000 articles on the history of astrology from its inception to the present day, various astrological schools and astrological practice (compilation and interpretation of horoscopes, forecasting methods, etc.), the history of astrology in Russia, astrological views of various peoples of the world, the connection of astrology with astral mythology. In addition, the encyclopedia includes some astronomical concepts used in astrological literature, the ignorance of which makes it impossible to understand many essential elements of astrology. The publication contains about 300 illustrations (old engravings, maps, drawings, diagrams).