Q: How do you find a missing barber? A: Comb the city. Knock, knock. Who's there? Apollo. Apollo who? Apologize for not answering sooner! Bob Phillips adds to h

A Barrel Full of Laughs! Q: What does a polar bear wear when his head is cold? A: An ice cap. Q: What has 18 legs and catches flies? A: A baseball team. Q: How

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 master

Laughter is the best medicine! And Bob Phillips, the primary care doctor of practical jokes, joins comic forces with cartoonist Jonny Hawkins to present one unf

Bestselling author Bob Phillips (combined sales of more than 9 million copies!) shares more flat-out funny knock-knock jokes in this all new crazy collection of