| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | 
|---|---|---|---|---|
| Natural Highs: The healthy way to increase your energy, improve your mood, sharpen your mind, relax and beat stress | Paperback | 978-0-7499-5392-8 (0-7499-5392-6) | 2011 | Patrick Holford BSc DipION FBANT NTCRP | 
| Natural Highs: The healthy way to increase your energy, improve your mood, sharpen your mind, relax and beat stress: Increase Your Energy, Sharpen ... Natural and Healthy Mind-altering Substances | " | 978-0-7499-2254-2 (0-7499-2254-0) | 2002 | " | 
| Natural Highs: The healthy way to increase your energy, improve your mood, sharpen your mind, relax and beat stress: Increase Your Energy, Sharpen ... Natural and Healthy Mind-altering Substances | Hardcover | 978-0-7499-2133-0 (0-7499-2133-1) | 2001 | " |