Ashtang Yog Sadhana is  a  book based on 8 steps told by Patanjali Muni for practising Yoga. These steps are Yam, Niyam, Asan,  Pranayam, Pratyahar, Dharana, Dhyan and Samadhi. By regular practising these steps we can get rid of all problems from our life.
 
eBook Nitin Shripad Joshi
English : Pages 24