Captain Underpants by Dav Pilkey

This is the book about a principal named Mr. Krupp. He is the meanist principal on the planet and there is two boys named George and Harold. They are very naughty in school and one day George found his magical ring. And then Mr. Krupp just came in the room when George mad him Captain Underpants. Then Mr. Krupp took off all of his clothes except for his underwear. And he took some of a curtain for a cape. Then he ran away to help those in need.