The eight extraordinary meridians are a traditional Chinese medicine (TCM) concept. Eight Extraordinary Meridians - Qi Jing Ba Mai: A Handbook for Clinical Practice and Nei Dan Inner Meditation covers the history of over 1000 years of Chinese medicine, and looks at the channel system, the three-layer theory, the concept of three ancestries an the interaction between these hypotheses. @the author discusses each of the eight extraordinary vessels in depth. Individual chapters are devoted to each of the channels, and these include full descriptions of the pathways and the conditions that these could be used to treat. Crucially, he explains treatment methods and strategies, and provides eight case studies as examples. Eight Extraordinary Meridians takes a complex aspect of Chinese medicine, and gives a clear and structured explanation of how it can be used in practice. this is a very interesting book and a good introduction to Nei Dan meditation, as well as a clear and in-depth study of the eight extraordinary vessels.