A Pearl from the Dragon's Neck by Tom Bisio

Tom Bisio is the creator of New York Internal Arts and Internal Arts International, both of which teach and promote Ba Gua Zhang and Xing Yi Chinese Internal Arts. He's also a co-founder of Zheng Gu Tui Na, a non-profit that teaches traditional Chinese medical skills all around the world. Bisio runs a clinic in New York City that specializes in trauma and Chinese sports medicine as an acupuncturist and traditional Chinese medicine practitioner. Bisio is the author of A Tooth From the Tiger's Mouth, a popular book on healing. He has also contributed to and written a number of martial arts books.