KnockKnocks - Little Giant Books Author:Charles Keller, Sanford Hoffman (Illustrator) Are you ready to say "knock-knock" nearly a thousand times? Then here's a collection to last you a lifetime, or until you've driven your parents and friends crazy, whichever comes first! This is the biggest knock-knock treasury you'll ever find. While you fill the neighbourhood with laughs, you'll also enjoy dozens of z... more »any cartoon drawings that show just how ridiculous these jokes can be!« less