Dong, Paul, <br/><br/>
Empty force :  the power of chi for self-defense and healing / 
By Paul Dong ; translated by Thomas Raffill 
 - 179 pages :  illustrations ;  23 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781583941348 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Qi gong