Join Bertie as he attempts to catch sister Suzy's horrible illness, finds himself partnering Gran at a dancing competition and meets his match in the new babysitter who's even grubbier than he is! Dirty Bertie - the boy with nose-pickingly disgusting habits - is back for another helping of comic chaos! Join Bertie in three hilarious new stories, Germs!, Stomp! and Babysitter!, as he attempts to catch sister Suzy's horrible illness, finds himself partnering Gran at a dancing competition and meets his match in the new babysitter who's even grubbier than he is!