Knock-Knock! Who's There?The follow up to LOL: A Load of Laughs and Jokes for Kids, this jam packed knock knock joke book is perfect for young comedians! Knock Knock! Whos there? Justin! Justin who? Justin time for dinner! With over 700 silly knock knock jokes, this book is ready to knock down your door with hours and hours of the wackiest Whos There? answers ever. Perfect for sharing with friends, Knock Knock! Who's There? will have your young comedian howling with laughter!
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