Dirty Bertie - the boy with nose-pickingly disgusting habits - is back for another helping in A&E after an accident with a door, forgetting his swimming trunks on a visit to Splash City, and proving that Know-All Nick doesn't actually know everything at the Inter-schools Quiz Competition.
Alan MacDonald dreamed of becoming a professional footballer when he was a child, but then he won a pen in a writing competition and his fate was sealed. Alan has since written over sixty children's books, including the Troll Trouble series and the History of Warts series. He also writes for TV, including the hugely popular Horrid Henry on CITV.
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