For the people asking for a routine I would recommend “Light on Prãnãyãma: The Yogic Art of Breathing” by B. K. S. Iyengar. All the info you could ever want an

For the people asking for a routine I would recommend “Light on Prãnãyãma: The Yogic Art of Breathing” by B. K. S. Iyengar. All the info you could ever want and more. I have had a regular pranayama practice for the past several years and this book really helps dial in the mechanics of it as well as some great history.