The work of the outstanding Russian orientalist Vasily Vladimirovich Bartold (1863-1930) is devoted to the analysis of Muslim culture, its origin and main elements, its development under the influence of various historical, social, cultural factors. The book was written on the basis of the richest factual material and since its first publication in 1918, it still serves as a valuable source of knowledge on the history and culture of Islam. It is intended for all readers interested in this issue.