|| Is there anything better than a knock-knock joke? How about hundreds of them? You are going to love this collection of laugh lines stupendous enough for a super duper joker. With so many, you have plenty of humor to knock-knock some silly sense into your friends, family, and anyone else who is willing to say "who's there?"This is good, clean fun that will entertain you and others for hours. It's perfect for those times when you are waiting after school or between activities or during a long Saturday afternoon.Knock, KnockWho's there?WooWoo who?Woo-who these jokes are fun! Let's have a party.If you or your family are getting tired staring at the TV or computer screen, it's time to scream-with laughter. And this outrageous, hilarious jumble of jokes will make that happen instantly.