Yogananda provides a scientific explanation of the use and power of prayer affirmations for health, success and happiness.The book contributes to conscious understanding and application of the laws governing the super-consciousness.Paramhansa Yogananda was an Indian yogi and guru who introduced millions of westerners to the teachings of meditation and Kriya Yoga through his book, 'Autobiography of a Yogi'. Included are comprehensive instructions and a wide variety of affirmations for healing the obdy, developing confidence, awakening wisdom, curing bad habits, and much more.