Welcome to one of the best books about jokes you'll ever find. Congratulations for having such fantastic taste in books, by the way. The jokes in this book aren't just any jokes. They are the best kind of jokes and the best kind of jokes are the kind where a door is involved. That's right! The jokes in this book are knock-knock jokes. Knock Knock Jokes For Kids is perfect for: We have everything: Let's go knock on some doors!