Yoga for You,Gita Yoga in Theory and Practice, Lucille Wood with Di Lucus, Dolphin Press, Australia.
Stillness through Movement, Rest and Restore, Restorative yoga for adrenal fatigue and stress related conditions, Tracy Whitton, Restorative yoga, Australia.
The Hindu Yogi, Science of Breath, Yogi Ramacharaka.
Hatha Yoga, The Yogi Philosophy of Physical Well-being, Yogi Ramacharaka.
Ponder on this, Alice A. Bailey and The Tibetian Master, Djwhal Khul, Lucis Press Ltd., London.