Wilson, Sarah <br/><br/>
The perfect formula 

 - New York :   Simon Spotlight/Nickelodeon,  1999 
 - 63 p. :  ill. 
 - Rugrats chapter book ;  # 1 .
<br/><br/><label>ISBN: </label>9780689826771 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children's stories<br/>Formulae Mathematics--Juvenile fiction