Rob Elliott's #1 bestselling Laugh-Out-Loud Jokes for Kids series will have you laughing in no time with this hilarious collection of hundreds of never-before-collected knock-knock jokes! Knock. Knock. Who's there? Annie. Annie who? Annie friend of yours is a friend of mine! With The Big Book of Knock-Knock Jokes, you'll have the perfect jokes to keep the whole family in stitches, and be on the road to becoming everyone's favorite comedian.