Meet Dirty Bertie – a boy with nose-pickingly disgusting habits! He's full to bursting with madcap plans and crazy ideas, and if it's trouble you're after, look no further – Bertie's sure to be up to his neck in it. Join Bertie as he stages a school dinner revolt, takes Whiffer to dog training and sabotages his sister's sleepover. It can only end in chaos!
