Carman, Patrick. <br/><br/>
The black circle / 
[by] Patrick Carman. 
 - New York :  Scholastic,  2009. 
 - 168 p. :  ill. ;  20 cm. 
 - 39 clues ;  bk. 5 .
 - The 39 clues ;  bk. 5 .
<br/><br/> Dan and Amy Cahill are on their most dangerous quest yet, one that brings them face to face with the only force capable of scaring the vicious Lucians, the Madrigals. 
<br/><br/> 4-7.  9-12.  4.7.  U  Guided Reading Level.  700  Lexile. 
<br/><br/>
<br/><br/><label>ISBN: </label>9780545090636 0545090636 9780545060455 0545060451 
<br/><br/><label>LCCN: </label>2009921984 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Uncles--Fiction.<br/>Siblings--Fiction.<br/>Family life--Fiction.<br/>Mystery fiction.<br/>Adventure fiction.
<br/><br/><label>Dewey Class. No.: </label>Fic