Ramacharaka Yogi / Yogi Ramacharaka
Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
This is an excellent beginning book on breathing for anyone who is interested in yoga. It covers the importance of breathing, basic respiratory physiology and the relationship between science and yoga.