Mr and Mrs Twit are truly revolting. They play horrible tricks on each other. They never wash, they trap birds for Bird Pie and they hate children. So the Muggle-Wump monkeys and the Roly-Poly bird hatch an ingenious plan to give them just the ghastly surprise they deserve! With an additional page of very stinky scratch-'n'-sniff peel-off stickers to stick on to Mr Twit's beard to make it even more disgusting!