Author(s): Charles Keller; Sanford Hoffman (Illustrator)

Children's

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 zany cartoon drawings that show just how ridiculous these jokes can be!