Dr Knucklehead's Knock-Knocks Author:Chris Tait Dr. Knucklehead is knock-knocking at the door and children will happily answer, because they love knock-knocksand these are the very best. Try this: Knock Knock. Who?s there? Daisies. Daisies who? Days he?s a man, but by night, he?s a werewolf! Or laugh a lot at this: Knock Knock. Who?s there? Billows. Bi... more »llows who? Bill owes me ten bucks and he said you?d give it to me. Every one is riotously funny.« less