num_pages: 352
description: Knock Knock! is the best book of knock knock jokes ever!This hilarious, 352-page humor collection features more than 1,000 knock-knock jokes and cartoons covering lots of kid-friendly topics. Kids will love amusing themselves—and friends and family—with this ultimate knock-knock collection.
language: English
title: Knock Knock!: The BIGGEST, Best Joke Book EVER
publisher: Highlights Press