Pilkey, Dav,  1966- <br/><br/>
Captain Underpants and the perilous plot of Professor Poopypants :  the fourth epic novel / 
by Dav Pilkey. 
 - 151 páginas :  ilustraciones ;  20 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/><label>ISBN: </label>0439049989 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Escuelas--Literatura juvenil.
<br/><br/><label>LC Class. No.: </label>PZ7.P6314  / Cap 2000