It is claimed that, Kriya Yoga is the modern revival of ancient yogic practices brought about by Mahavatar Babaji. Kriya Yoga consists of various levels of Pranayamas that are designed to accelerate spiritual growth and help attain great levels of self-awareness, tranquility and communion with God. This form of Yoga is greatly breath based. Kriya Yoga: The Science Of Life Force explains what Kriya Yoga is about and also describes in detail the various techniques of Kriya Yoga. This book explains Prana Vidya, the knowledge of life force. Sarira Tattva, the body principle is deeply analyzed as well in this insightful book. Kriya Yoga: The Science of Life Force can serve as a handbook for anyone with an interest in this form of spiritual practice. It was published by Munshiram Manoharlal Publishers in 2014 and is available in hardcover.