Captain Underpants and the Preposterous Plight of the Purple Potty People by Dav Pilkey

THE WAIT IS OVER!!! Dav Pilkey's beloved Captain Underpants returns to face his nemesis - the evil Captain Blunderpants - with the help of two new superheroes, Great-Granny Girdle and Boxer Boy!
Binding: Paperback / softback