Question: when was the first captain underpants book written
Answer: Captain Underpants Cover of the first Captain Underpants book Author Dav Pilkey Illustrator Dav Pilkey Country United States Language English Genre Children 's novel Comedy Superhero fiction Publisher Blue Sky ( US ) , Scholastic ( US ) Published September 1 , 1997 - August 25 , 2015 ( main series ) ( spin - offs from 2002 - present ) Media type Print ( hardcover and paperback )