However, there was a catch. Captain Underpants was not just any ordinary superhero. He was Mr. Krupp, their grumpy and gruff school principal, who had been hypnotized by the boys' magic trick. As Captain Underpants, Mr. Krupp's personality transformed into a bumbling, diaper-clad hero with a determination to fight crime and protect the innocent.
While not a native PDF, the Kindle version on Amazon features the Full Color Edition . You can read it on the Kindle app on any phone, tablet, or computer. Search: The Adventures of Captain Underpants (Full Color Edition) - Kindle edition . captain underpants 1 full color pdf