The Idries Shah Foundation (ISF) is an independent educational and cultural charity, set up by the family of the late thinker, writer, and teacher in the Sufi mystical tradition, Idries Shah, who wrote over three dozen books on topics ranging from psychology and spirituality to travelogues and culture studies. Based in London, England, the charity is primarily for the study, dissemination of knowledge, and promotion of Sufi arts, literature, culture and heritage, with special focus on the published works of Idries Shah.