Dav Pilkey's award winning Captain Underpants books have received rave reviews across the nation and have been translated into numerous languages. This deluxe collection features a groovy glow-in the-dark cover that says- Tra-la-Laaaa! everyime you open it- and it includes four fantastic adventures about the tighty whitey-wearing superhero who fights for truth- justice and all that is pre-shrunk and cottony.Enjoy this deluxe boxed collection of the first four books about thesuperhero who fights for Truth- Justice- and all that is Pre-Shrunkand Cottony! This set features a groovy glow-in-the-dark cover anda super-cool sound chip that says Tra-La-Laaaaa! every time youopen the box-perfect for annoying boring grown-ups!