This study is a monographic version of the dissertation "Abdurahman-haji al-Suguri and the Naqshbandi tariqa in Dagestan (XIX century), where the author, based on a wide range of sources and literature, covers the life and work of a prominent scientist and famous sheikh of the Naqshbandi tariqa of the XIX century. - Abdurahman-haji from Sogi ratl. The book is intended for scientists, teachers, students, as well as a wide range of readers.