Duncan, Robert L. <br/><br/>
The serpent's mark / 
Robert L. Duncan. 
 - New York :  St. Martin's Paperbacks,  1989. 
 - 339 p. ;  18 cm. 
<br/><br/><label>ISBN: </label>0-312-92365-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History