2022 Reprint of the 1905 Edition. Facsimile of the Original Edition and Not Reproduced with Optical Recognition Software. The Science of Breath is one many titles on yoga, Hinduism and the occult authored by Yogi Ramacharaka. The subtitle to the book describes it as a complete manual of the Oriental breathing philosophy of physical, mental, psychic and spiritual development. Doubt has been cast as to the true author of this work and most believe that the author's name is a pseudonym for the true writer, William Walker Atkinson, the famed occultist, and pioneer of the American New Thought movement. Regardless of the identity of the author, the book is an in-depth and clear guide to both the science and philosophy of breathing in yoga. It contains numerous lessons and exercises that remain useful well over 100 years after its publication. This manual on the science of controlling your breathing includes chapters on both the spiritual aspect to yoga and breathing, as well as on the practical aspect of how to include these concepts into your yoga practice. Chapters contain lessons on such important practices as nostril vs. mouth-breathing, the Yogi complete breath, Yogi rhythmic breathing, and Yogi spiritual breathing. Both experienced and beginner yoga enthusiasts will discover a treasure of useful advice in this thoughtful guide.