The Heart of Asana: A Comprehensive Manual of Classical Yoga Postures,The Four Yogas: A Guide to the Spiritual Paths of Action, Devotion, Meditation and Knowledge: Adiswarananda, Swami: 9781594732232: Amazon.com: Books,The Heart of Yoga: Developing a Personal Practice,The Heart of Yoga: Developing a Personal Practice,The Heart of Yoga: Developing a Personal Practice: Desikachar, T. K. V.: 8601404265556: Amazon.com: Books,