Boo Who and Other Wicked Halloween Knock-Knock Jokes (Lift-the-Flap Joke Book)

Ho Ho Ho, Ha Ha Ha: Holly-Arious Christmas Knock-Knock Jokes (Lift-The-Flap)

Olive You and Other Valentine Knock-Knock Jokes You'll Adore (Lift-The-Flap Joke Book)

Easter Crack-Ups: Knock-Knock Jokes Funny-Side Up (The Lift-The-Flap Joke Books)