Cowell, Cressida. <br/><br/>
How to break a dragon's heart / 
by Cressida Cowell. 
 - 1st U.S. ed. 
 - New York :  Little, Brown,  2011. 
 - 299 p. :  ill. ;  20 cm. 
 - How to train your dragon ; 8 .
<br/><br/><label>ISBN: </label>9780316176187 9780316176170 
<br/><br/><label>LCCN: </label>2011009836 
<br/><br/><label>LC Class. No.: </label>PZ7.C83535  / Hlh 2011 
<br/><br/><label>Dewey Class. No.: </label>[E]