One Taste: Daily Reflections on Integral Spirituality
Kenneth E. Wilber
The Farther Reaches of Human Nature
Abraham Harold Maslow
Chim: Children of War
Carole Naggar & David Seymour
The Secret Adam: A Study of Nasoraean Gnosis
Ethel Stefana Drower
The Secret of the Golden Flower: A Chinese Book of Life
Tung-Pin Lü & Dongbin Lü
Outline of Sufism: The Essentials of Islamic Spirituality
William Stoddart
Frithjof Schuon: Messenger of the Perennial Philosophy
Michael Oren Fitzgerald
The Essential René Guénon: Metaphysics, Tradition, and the Crisis ...
René Guénon