"The Hindu-Yogi Science of Breath" is a book written by Yogi Ramacharaka, first published in 1904. The book is a study of the science of breath and the ways in which it affects the body and mind.At the core of the book is the idea that breath is the key to physical and mental well-being, and that by learning to control and regulate our breath, we can improve our health and achieve a higher level of consciousness. The book explores a range of techniques for controlling and regulating the breath, including pranayama, the practice of controlling the breath through specific breathing exercises.
Throughout the book, Ramacharaka discusses the science behind the various techniques for controlling the breath, and offers practical advice for incorporating these techniques into daily life. He also explores the role of breath in spiritual development and offers guidance for using the power of the breath to connect with a higher power.