|aCaptain Underpants and the perilous plot of Professor Poopypants : |bthe fourth epic novel / |cby Dav Pilkey.
|aNew York : |bScholastic, |cc2000.
|a151 p. : |bill. ; |c20 cm.
|aWhen 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.