Captain Underpants - Duffy Books

Hi Guys and Girls

Today I'm going to tell you which book I got for Duffy book. I got Captain Underpants and also I have seen the movie on Netflix. You want to know what the principal's name is? It is Krupp which is Captain  Underpants plus I like the book because its cool. Captain Underpants is about Underpants saving the day and solving the problems.