Carman, Patrick <br/><br/>
The black circle / 
by Patrick Carman. 
 - 1st ed. 
 - New York :  Scholastic Inc,  2009. 
 - 168 p. 
 - The 39 clues. Book five .
<br/><br/><label>ISBN: </label>9780545060455 
<br/><br/><label>LCCN: </label>2009621984 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Family history--Fiction.<br/>Cryptology--Fiction.<br/>Geneology--Fiction.<br/>Mystery and detective stories.