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

With more than 2 million copies sold of his first book, Laugh-Out-Loud Jokes for Kids, it's clear that kids (and their adults) are looking for clean, lighthearted humor—and Rob Elliott delivers.