The book tells about what is the "holy scripture" of Islam, which, according to Muslim ideas, was dictated by Allah himself. The author analyzes from Marxist-Leninist positions the origin, content, as well as the history of the study and translation into other languages ​ ​ of this religious monument of ancient Arabic literature. Revealing the historical roots of the dogmas and laws of the Quran, he pays special attention to the social role of the prescriptions of this sacred book for Muslims in the past and their latest interpretations.