Captain Underpants And The Perilous Plot Of Professor Poopypants

<p>The fourth book in Dav Pilkey's mega-bestselling Captain Underpants series. Now with super-cool foil covers! Shiny! Fun!</p> <p>George and Harold aren't bad kids. They just like to &quot;liven things up&quot; for everybody. Unfortunately, their thoughtful jokes sometimes get them into a LOT of trouble. And when Professor Pippy P. Poopypants becomes their new science teacher . . . well, George and Harold almost cause the entire planet to be taken over by a maniacal, mad-scientist guy in a giant robot suit! Who will stop the perilous plot of Poopypants?!!? This looks like a job for Captain Underpants!</p>