Often described as the soul of Islam, Sufism is one of the most interesting yet least known facet of this global religion. Sufism is the softer more inclusive and mystical form of Islam. Although militant Islamists dominate the headlines, the Sufi ideal has captured the imagination of many. Nowhere in the world is the handprint of Sufism more observable than South Asia, which has the largest Muslim population of the world, but also the greatest concentration...