Mysticism in Islam. Kazan K.K.

In the capital work of the Russian military doctor and ethnographer Konstantin Konstantinovich Kazan (1855-1910), various manifestations of mysticism in Islam are examined in detail. Widely using various sources, the author opens before us an exciting panorama of the development of occult and unorthodox movements in this great world religion. He analyzes the aforementioned mystical manifestations from the point of view of the achievements of the natural sciences and psychology of the late XIX - early XX centuries.