Book excerpt: Charlie is an irresistibly funny little brother who manages to get into all kinds of scrapes. Whether he's trying to hinder or help his brother Max and best friend Henry, trouble is guaranteed! Cheese and Onion Crisps Henry knows there's something wrong when Charlie gives up cheese and onion crisps. Will the Truly Amazing Smarties Trick bring things back to normal? Cat Flap Charlie and Henry are planning the best sleepover ever, and have even laid down some ground rules: no itching powder, no dead flies and no super soakers. But the evening doesn't turn out quite how they planned . . .