Buddhist/Eastern - Sufi or Islam

Feild, Reshad. Steps to Freedom.
Hafiz. The Gift: Poems by Hafiz, The Great Sufi Master, trans. David Ladinsky.
Kabir. The Kabir Book: Forty-Four of the Ecstatic Poems of Kabir, trans. Robert Bly.
Rumi. Open Secret: Versions of Rumi, trans. John Moyne and Coleman Barks.
Shah, Idries. Learning How to Learn: Psychology and Spirituality in the Sufi Way.
Tweedie, Irina. The Chasm of Fire: A Woman?s Experience with the Teachings of a Sufi Master.