The Upanishads (Easwaran's Classics of Indian Spirituality Book 2)

Jack Kornfield The Wise Heart: A Guide to the Universal Teachings of Buddhist Psychology

Adyashanti Sacred Inquiry: Questions That Can Transform Your Life

Michael A. Singer Living Untethered: Beyond the Human Predicament

Edwin F. Bryant The Yoga Sutras of Patañjali: A New Edition, Translation, and Commentary