Books by B.K.S. Iyengar:
Light on Yoga - The "bible" of yoga. If you only have room for one yoga book, let it be this one.
Light on Pranayama - Yogic breathing
Light on the Yoga Sutras of Patanjali - yoga philosophy
Light on Ashtanga Yoga - An expansion on the second chapter of the Yoga Sutras
The Art of Yoga - Picture book of some yoga postures
Yoga Vrksa: The Tree of Yoga - About yoga
Body the Shrine Yoga Thy Light - Biography and articles by Iyengar and students
Yoga: Path to Holistic Health - Large hardback book with beautiful color photos and sequences
Astadala Yogamala - A collection of works BKS Iyengar in several volumes
Books by Geeta Iyengar:
Yoga: A Gem for Woman - Yoga and women
Yoga in Action: Preliminary Course - A fabulous book for the beginner and teacher of beginners
Books by Prashant Iyengar:
Alpha & Omega of Trikonasana - Scholarly text on the hierarchies in yoga
Books about B.K.S. Iyengar:
Iyengar: His Life and Work- Biography, maxims, interviews and articles by Iyengar and students
70 Glorious Years of Yogacharya B.K.S. Iyengar- many articles, messages, tributes, philosophy, medical and tradition
Sparks of Divinity- by Noelle Perez-Christiaens: Sayings of B.K.S. Iyengar
Other books on Iyengar Yoga
YOGA the Iyengar Way- by Silva, Miras & Shyam Mehta
Thus Spake Iyengar- by Noelle Perez-Christiaens
Inner Beauty, Inner Light- Frederick Leboyer
Classic Texts on Yoga:
Yoga Sutras of Patanjali
Hatha Yoga Pradipika
Gheranda Samhita
Siva Samhita
Baghavad Gita
Kathopanishad
Goraksa Sataka