Book excerpt: Yoga is eternal. Yoga is also enigmatic. To the theologians it is the way to know God and attain moksha (liberation); to the wise yoga is the philosophy of life; to the scientific world, it corroborates to the theory of life, time and space; to intelligent conscious. mind it is the philosophy of Karma; to majority, it means affliction free healthy, robust body and mind. The author has provided with clarity step by step guideline to various stages of yoga. There is also an interesting analogy to create a fusion of present-day science with yoga. Overall it is a book worth holding, reading, and adopting