Pranayama & The Art Of Breathing
Babaji and the 18 Siddha Kriya Yoga Tradition
Yoga Postures Step By Step
YOGA SŪTRAS of Patañjali
Every day Pranayama for Every body
The Yoga Sutras of Patanjali
The Chakras
KUNDALINI TANTRA Swami Satyananda Saraswati