Inayat Khan

Mingled Waters: Sufism and the Mystical Unity of Religions gives an account of the deep ecumenism of Sufism as evidenced in a variety of historical, literary, intellectual, and spiritual convergences.

Four books in one large volume: The Way of Illumination, The Inner Life, The Soul, Whence and Whither, and The Purpose of Life.

The works of Nargis Dowland have long been out of print, with only a few copies preserved in public and private collections.

Pir Vilayat (1916-2004) was the son and spiritual successor of Hazrat Inayat Khan.