Good Clean Knock-Knock Jokes for Kids Author:Bob Phillips What can steer a parent toward insanity faster than the phrase ?Are we there yet??...the words ?Knock, Knock,? of course. Bob Phillips, comic genius, has mastered a gathering of knock, knock jokes that will have kids laughing hysterically?and parents just plain hysterical?but a family that knock, knocks together, grows together. Knock, K... more »nock Who?s There? Olive. Olive who? Olive to tell knock-knock jokes. Hours of entertainment in one simple resource is the best deal in town.« less