This is a yoga book supervised by Harvard Medical School. "The Harvard Medical School Guide to Yoga" This book explains yoga not just as exercise, but from a scientific and medical perspective. ・An 8-week program to make yoga a habit without overdoing it ・Content that balances flexibility, strength, and awareness (mindfulness) ・Easy-to-understand poses and body usage with photos Recommended for those who want to understand yoga deeply, and as a reference book for instructors. Although it's an English book, it's easy to understand intuitively with many illustrations. 【Condition】 There is no major damage, and it is generally in good condition. (Please understand that there may be minor scratches due to being a used item) We hope that those who want to learn more about yoga will find this useful.