Chapter 1 George and Harold, Chapter 2 Tree House Comix, Inc. The Adventures of Captain Underpants is a popular children's book written by Dav Pilkey. It is about the hilarious adventures of George and Harold as they try to trick their strict principal Mr. Krupp, but their trick ends up backfiring on them! Send me a message for your free copy of this book to follow along. https://www.italki.com/en/teacher/13365914