A broad-ranging, illustrated, scholarly treatment of core topics in Islamic spirituality. This book discusses the foundations of Sufism, including the Qur'an, the Hadith, pilgrimage, and prayer, as well as a study of the rise of Islam. The companion book Islamic Spirituality: Manifestations delves more deeply into the different ways that Sufism is lived out around the world, with attention to the various sects and their writings.