Aczel, Amir D.,  1950- <br/><br/>
The riddle of the compass :  the invention that changed the world / 
Amir D. Aczel. 
 - 1st ed. 
 - New York :  Harcourt,  c2001. 
 - xvii, 178 p. :  ill., maps ;  22 cm. 
<br/><br/>Includes bibliographical references (p. 165-168) and index. 
<br/><br/><label>ISBN: </label>0151005060 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Compass
<br/><br/><label>LC Class. No.: </label>VK577 
<br/><br/><label>Dewey Class. No.: </label>912/.0284