Light on Yoga: Yoga Dipika

https://www.amazon.com/Light-Yoga-B-K-Iyengar/dp/0805210318/ref=sr_1_9?ie=UTF8&qid=1493641938&sr=8-9&keywords=yoga+book
The definitive guide to the philosophy and practice of Yoga--the ancient healing discipline for body and mind--by its greatest living teacher. Light on Yoga provides complete descriptions and illustrations of all the positions and breathing exercises. Features a foreword by Yehudi Menuhin. Illustrations throughout.