Download or read book Knock-Knocks written by Michael Pellowski and published by Sterling Publishing Company, Inc.. This book was released on 2005 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: Knock-knock. What’s here? A collection of the funniest knock-knocks ever, sure to delight kids. It’s a sure bet that children will love these jokes so much that even though this is a “bathroom” book, they’ll sneak it out and take it everywhere to pass the humor on.