Collins, Suzanne. <br/><br/>
Gregor and the marks of secret / 
Suzanne Collins. 
 - 1st ed. 
 - New York :  Scholastic Press,  2006. 
 - 343 p. ;  22 cm. 
 - Collins, Suzanne.  Underland chronicles ;  bk. 4. .
<br/><br/> Sequel to: Gregor and the curse of the warmbloods. 
<br/><br/> Twelve-year-old Gregor returns to the world beneath New York City, where he joins forces with Princess Luxa and Ripred the rat to defend the Underlanders and the Nibblers from the army led by the adolescent rat king, the Bane. 
<br/><br/> 730  Lexile. 
<br/><br/>
<br/><br/><label>ISBN: </label>0439791456   9780439791465   0439791464  
<br/><br/><label>LCCN: </label>2005027969 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Imaginary wars and battles--Juvenile fiction.<br/>Animals--Juvenile fiction.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>New York (N.Y.)--Juvenile fiction.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>War fiction.<br/>Fantasy fiction.
<br/><br/><label>LC Class. No.: </label>PZ7.C6837  / Gpk 2006 
<br/><br/><label>Dewey Class. No.: </label>[Fic]