Book excerpt: A timeless collection exploring the metaphysical power of breath and the limitless potential of the human mind. The Science of Breath is the definitive collection of books on yogic philosophy and wellness from William Walker Atkinson, writing as Yogi Ramacharaka. In this volume you’ll find five revolutionary books, including: The Science of Breath The Science of Psychic Healing Raja Yoga or Mental Development The Science of Breath is part of The Library of Spiritual Wisdom, a beautifully designed series of curated classics written by some of the greatest spiritual teachers of all time. With books covering topics ranging from prosperity and motivation to the occult and metaphysical thought, The Library of Spiritual Wisdom is the definitive collection of texts from some of the most revolutionary thought leaders of the last two centuries and belongs on the shelves of home libraries everywhere.