Thirty-five years after its original publication, Mystical Dimensions of Islam still stands as the most valuable introduction to Sufism, the main form of Islamic mysticism. This edition brings to a new generation of readers Annemarie Schimmel's historical treatment of the transnational phenomenon of Sufism, from its beginnings through the nineteenth century. Schimmel's sensitivity and deep understanding of Sufism--its origins, development, and historical context--as well as her erudite examination of Sufism as reflected in Islamic poetry, draw readers into the mood, the vision, and the way of the Sufi. In the foreword, distinguished Islam scholar Carl W. Ernst comments on the continuing vitality of Schimmel's book and the advances in the study of Sufism that have occurred since the work first appeared.