Download or read book 500 More Wild and Wacky Knock-Knock Jokes for Kids written by Dora Wood and published by Ballantine Books. This book was released on 1993 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: You can't keep a good laugh or a good laugh-getter down. And you can never have enough good knock-knocks. So get set for 500 more! Knock-knock. Who's there? Howard. Howard who? Fine thank, how your you?