KnockKnock Jokes for Kids Author:Rob Elliott 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-knock jokes that will have kids and kids-at-heart rolling in the aisles. Jokes like — Knock knock. — Who's there? — Ben. — Ben who? — Ben away for a while but I'm back now — This new book from R... more »ob Elliott is poised to reach and even surpass the more than 165,000 copies sold of his first book, Laugh-Out-Loud Jokes for Kids.« less