Stilton, Geronimo <br/><br/>
Thea Stilton and the secret city / 
Geronimo Stilton. 
 - New York :  Scholastic,  2006. 
 - 161 pages :  col. ill.;  19 cm. 
<br/><br/><label>ISBN: </label>978-0-545-15061-3 
<br/><br/><label>Dewey Class. No.: </label>Fic  St548  2006