<human>: What are the best e-books on qigong and tai chi?
<bot>: The best e-books on qigong and tai chi include "Tai Chi for Beginners" by Mark Chen, "The Secret of Tai Chi Chuan" by Yang Jwing Ming, "Qigong for Health and Wellness" by John Kepner, "The Complete Guide to Qigong" by Dr. Paul Lam, and "Tai Chi: Internal Strength and Power" by Dr. Yang Jwing Ming.