Tantra The Path of Ecstasy – Feuerstein
The Key Muscles of Hatha Yoga – Ray Long, 2009
Wheels of Life - Anodea Judith
Light on Yoga – Iyengar
Additional texts that can be used as reference but are not required:
Anatomy of Movement – Blandine Calais – Germain
The Yoga Tradition: Its History, Literature, Philosophy & Practice - Feuerstein
Light on Pranayama - B.K.S. Iyengar
Anusara Yoga Teacher Training Manual by John Friend
These books can be found at of the following websites: