Knock, knock. Who's there? Read on to find out in this book full of knock-knock jokes! Learn jokes that will have you slapping your knee—plus a few that will

When is a car not a car? When it turns into a driveway. Why was the math book so sad? It had too many problems. Jokesters from 8 to 80 will love regaling friend

Knock, knock. Who's there? Snore. Snore who? Dinosnore! Giggle over jokes like this one in this book full of knock-knock jokes.

Kids can't get enough of laughter--so they can't get enough of Rob Elliot's hilarious joke books! Knock-Knock Jokes for Kids is an all-new collection of knock-k