Hopkirk, Peter. <br/><br/>
Trespassers on the roof of the world :  the race for Lhasa / 
Peter Hopkirk. 
 - London :  J. Murray,  2006. 
 - x, 274 p., [20] p. of plates :  ill. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. [267]-269. 
<br/><br/><label>ISBN: </label>9780719564499   
<br/><br/><label>LCCN: </label>82134893 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Tibet Autonomous Region (China)--History.