Collins, Suzanne. <br/><br/>
Gregor and the curse of the warmbloods 
Suzanne Collins 
 - ed. 
 -  Scholastic  2005 
 - 358 p. 
 - Collins, Suzanne. Underland chronicles .
 - Collins, Suzanne. Underland chronicles .
<br/><br/><label>ISBN: </label>9781407137056