Pilkey, Dav. <br/><br/>
Captain Underpants and the perilous plot of Professor Poopypants :  the fourth epic novel / 
by Dav Pilkey. 
 - New York :  Blue Sky,  2000. 
 - 151 p. :  ill. ;  22 cm. 
<br/><br/> When Professor Pippy P. Poopypants comes to Jerome Horwitz Elementary School to teach science, and he goes off the deep end because students make fun of his name, only Captain Underpants can save the school from the professor's perilous plot. 
<br/><br/> 2-5.  640  Lexile 
<br/><br/><label>ISBN: </label>0439049970 
<br/><br/><label>LCCN: </label>99054825 
<br/><br/><label>Subjects--Topical Terms: </label><br/>School stories.<br/>School superintendents and principals--Fiction.<br/>Heroes and heroines--Fiction.<br/>Comic books, strips, etc.--Fiction.<br/>Humorous fiction.
<br/><br/><label>Dewey Class. No.: </label>Fic