Asthma Free naturally is specifically for adults and children with asthma. It contains an detailed instruction of a number of Buteyko breathing exercises.

Close Your Mouth is a Buteyko Clinic handbook. A simple and well illustrated book containing Buteyko breathing exercises. Very suitable for persons with stress, anxiety, fatigue, headaches, coughing, wheezing, breathlessness, disrupted sleep and more.   

Both books are available from http://www.asthmacare.ie or from http://www.amazon.co.uk. http://www.amazon.com