Captain Underpants and the preposterous plight of the Purple Potty People : the eighth epic novel—Pilkey, Dav, 1966- author, illustrator.
Harold and George's time-traveling Purple Potty lands them in an alternate universe where everything seems delightful, but evil lurks just beneath the surface, and leads to a battle between Captain Underpants and his own evil twin.
Subjects:Captain Underpants (Fictitious character) -- Juvenile fiction.
Heroes -- Juvenile fiction.
School principals -- Juvenile fiction.
Schools -- Juvenile fiction.
Other Authors:Corey, Barba, illustrator.
Garibaldi, Jose, illustrator.
First color edition.
172 pages : colour illustrations ; 22 cm.
Preposterous plight of the Purple Potty People
"Full color"--Title page.Link to PAC