The article first outlines the three major phases of Islamization of Bengal, focusing particulary on the phase of mass Islamization of rural native population, which was characterized by strong tendencies to syncretism with local religious traditions. This syncretistic environment is then described in more detail with special emphasis on the Naths, Vaisnava Sahajiya, and their generally Tantric-yogicbackground. The literature that emerged from this environment is further introduced as a vehicle of mediation between the Perso-Arabic Islamic tradition and Bengalic cultural milieu. As this milieu was conspicuously Tantric in character, the article pays special attention to esoteric Islamic texts, which reveal considerable popularity of various Tantric-yogic notions and bodily techniques among Bengali Muslims., Kristýna Himmerová., and Obsahuje seznam literatury