Knock-knock.
Who's there? Even more joking shenanigans This outrageous book features hundreds of hilarious knock-knock jokes for kids, along with hundreds of clever illustrations.
Knock-knock.
Who's there?Lettuce.
Lettuce who?Lettuce in and we'll tell you another knock-knock joke Knock-Knock.
Who's there?Venice Venice who?Venice dinner?Knock-Knock.
Who's there?Police.
Police who?Police open the door Knock-Knock.
Who's there?Luke.
Luke who?Luke before you leap.