num_pages: 22
description: Pull back the flaps and find out each hilarious punch line in this classic collection of knock-knock jokes!
language: English
title: Knock, Knock! Who's There?: My First Book of Knock Knock Jokes
titlecomplete: Knock, Knock! Who's There?: My First Book of Knock Knock Jokes
genres: Juvenile, Humor, Childrens, Picture Books
ratings_count: 220
publisher: Little Simon