Excellent Book On Metaphysics That Explains The True Wisdom Of Yoga. This Is A Must Read For Those Interested In Esoteric And Occult Sciences. Yoga Is A Very Ancient Philosophy That Goes Beyond The Mere Physical Simulations That Are Now Being Practiced By The General Masses. It Is Not A Mere Exercise Routine But A Spiritual Methodology That Guides Us On The Path Of True Spiritual Knowledge And Wisdom. One Must Do Yoga In Its Complete Essence Then Only He Will Get The Real Benefits Of Physical, Mental, Emotional, And Spiritual Wellbeing. It Is The Way Of The Soul Journey Across Lifetimes In Its Quest For Consciousness Awakening! I Love Researching On These Kind Of Topics. (Glory Dey)