Marzollo, Jean <br/><br/>
I SPY: Extreme Challenger. 

 - New York, NY :  Scholastic, Inc,  2000. 
 - I SPY .
<br/><br/><label>ISBN: </label>0-439-19900-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Picture riddles<br/>Games