This is a high quality recording of the MAS Jeffrey Yuen Seminar presented on November 19&20, 2005, on the "shen" in Chinese Medicine. Fifty percent of the profits from the sale of these CDs goes to benefit the International Tai Chi Association. The set comes in a vinyl case with CDs in sleeves - can sit on your bookshelf or be easily carried!. An outline of the tracks on paper is included with the set, which contains 10 CDs!