Book Description
for El Capitán Calzoncillos y el perverso plan del Profesor Pipicaca by Dav Pilkey
From the Publisher
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.
Publisher description retrieved from Google Books.