Good Clean Knock-Knock Jokes for Kids

What can steer a parent toward insanity faster than the phrase "e;Are we there yet?"e;...the words "e;Knock, Knock,"e; of course.Bob Phillips, comic genius, has mastered a gathering of knock, knock jokes that will have kids laughing hystericallyand parents just plain hystericalbut a family that knock, knocks together, grows together.Knock, KnockWho's There?Olive.Olive who?Olive to tell knock-knock jokes.Hours of entertainment in one simple resource is the best deal in town.