"Who's that knocking on your door? You better make sure it's not another one of those silly jokes. Orange you going to answer the door? Lettuce in; it's cold. Stopwatch you're doing and open the door. Isma lynch ready yet? Best Knock-knock Jokes Ever will give you all the material you need to get your family, friends, and neighbors laughing out loud, and perhaps wishing they could shut the front door."-- Provided by publisher.

Animal antics -- Name play -- Food frenzy -- Family matters -- Funny places -- Cryptic much? -- It's natural.