Classical
texts on yoga:
"Hatha
Yoga Pradipica"
"Yoga
Sutras of Patanjali"
"Bhagavad
Gita"
Recommended literature:
"Ancient Techniques
of Yoga and Kriya" by svami Satyananda Sarasvati.
"Hatha Yoga Pradipica"
by Svatmarama with comments by svami Satyananda Sarasvati.
"Yoga Sutras of
Patanjali".