Padma Sambhava,   approximately 717-approximately 762 <br/><br/>
Powerful transformation ;  the alchemy of the secret heart essence /  
Padmasambhava, Chokgyur Lingpa, Kyabje Dilgo Khyentse, Tulku Urgyen Rinpoche, and others.  
 - 231 pages :  23 cm.  
<br/><br/><label>ISBN: </label>9780997716207