I really enjoy and greatly benefit from the high quality books, audio CDs and DVDs by Qigong Master Ken Cohen. Here are three of my favorites by Ken Cohen:
"The Way of Qigong: The Art and Science of Chinese Energy Healing." By Kenneth S. Cohen. Foreword by Larry Dossey. New York Ballantine Books, 1997. Index, notes, appendices, 427 pages. ISBN: 0345421094. One of the best books on Qigong: comprehensive, informative, practical, and scientific in spirit.
"The Essential Qigong Training Course." 100 Days to increase Energy, Physical Health, and Spiritual Well-Being. By Ken Cohen. Boulder, Colorado, Sounds True, 2005. Includes a 59 page weekly workbook, a Qigong DVD, 5 audio CDs, and one Qi Healing DVD. ISBN: 1591790905. An outstanding audio-visual study resource.
"The Way of Qigong." By Ken Cohen. 5 audiocassettes, 6 hours. Boulder, Colorado, Sounds True, 1993. ISBN: 1564552578.