Knock KnockWhos there? Oh, its only one of the best Knock Knock joke books you will ever read! Our Knock Knock Jokes for Funny Kids is filled with hilarious and side-splittingly funny jokes perfect for kids of all ages! Complete with colourful and graphic illustrations, this book is the perfect gift for any clown in the family who needs some more material! With 96 pages of classics, and some unique and modern (but still predictably cheesy) jokes, this hardback joke book is the perfect novelty gift for kids! Boxer Gifts Knock Knock Jokes for Funny Kids Book