Dogs Don't Tell Jokes - Louis Sachar - Bog

'Why did the guy eat two dead skunks for breakfast?' 'Because dead ones squeal when you stick the fork in.' Gary knows he was born to be a stand-up comedian. It is the rest of the kids in the class who think he is a fool. But when a surprise threatens to turn his debut into a disaster, it looks as if the biggest joke of all may be on Gary himself.