Mr Mack's inventing career has got off to a bad start - he's beenarrested!It's up to Jimmy, Robbie, Kayla and Rover the wonder-dog to:- Rescue Mr Mack from prison- Avoid the orphan catchers- Save the world from an army of stroppy slugsWill they succeed? There's only one way to find out. From Irish author Roddy Doyle. Please note this is a second-hand book. Format: Paperback Condition: Very good used condition.