Pilkey, Dav <br/><br/>
Captain underpants and the perilous plot of professor poopypants / 
Dav Pilkey 
 - New York   Scholastic Inc  2000 
 - 146 p.  ill.  20 cm. 
 - Captain Underpants; 4 .
<br/><br/><label>ISBN: </label>9780439049986 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Schools--Juvenile Fiction<br/>Heroes--Juvenile Fiction