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HarperCollins

Boo Who ? Lift the Flap Halloween Knock Knock Jokes

Celebrate Halloween with this collection of fang-tastic knock-knock jokes! Join trick-or-treaters as they adventure through a haunted house full of surprises behind every flap.

Knock, knock!

Who’s there?

Coffin!

Coffin who?

Coffin from all the dust in here!

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