The book is a specialized reference publication with two tasks: to provide comprehensive information on the two thousand-year history and the current state of universal Orthodoxy. acquaint the reader with other Christian denominations, non-Christian religions, as well as with the phenomena of science, culture, philosophy, art, politics, in one way or another related to religion . The book pays special attention to church life in the 20th century, the information about which is practically absent in the reference literature......... The book is well-published and illustrated by . [ The volume contains an encyclopedic summary of a variety of information about religion and the church...... [ ) Religious figures and philosophers, church hierarchs and ascetics of the church . Religious forums, customs . Saints, Church Holidays and More.