Kimpton, Diana <br/><br/>
Cracking codes 
Diana Kimpton ; illustrated by Mike Philips 
 - New York  Scholastic  2003 
 - 158 p 
<br/><br/><label>ISBN: </label>978-0-439981-84-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General Knowledge
<br/><br/><label>Dewey Class. No.: </label>001 KIM