|By Doc-Fai Wong and Jane Hallander. 7 X 10, 128 pages, paperback. ISBN #0-86568-147-3. Doc Fai Wong and Jane Hallander teach you how to harness the power of Tai Chi's amazing internal strength through a comprehensive program of meditation, forms practice, and push hands skills. In this book the authors show you how with easy-to-follow, step-by-step photographs.