Patnjali Yog Sutra - VOL. 1 TO 5

Patnjali Yog Sutra - VOL. 1 TO 5 :-The Yoga Sutras of Patanjali is not a philosophical system.  It is experiential.  It is a tool by which something is to be done.  But still there is a philosophy involved in it.  Also to give you an intellectual understanding of where you are going, what you are looking for.