Lift-the-flaps and laugh out loud at hilarious punch lines in this first collection of Knock-knock jokes!
No one has written a review for 'Knock, Knock! Who's There?'
Why not be the first to share your opinion?
Tad Hills is the author and illustrator of the New York Times bestselling Duck & Goose. He is a painter, actor, and obsessive Halloween costume maker who has created several books for children. Tad lives in Brooklyn, New York, with his wife and their two children.
More about Tad Hills
