The Jet of Justice (Abridged)

It's the summer holidays - AT LAST. Now Danny Dingle can be a full-time super-inventor without boring, pointless school getting in the way. HURRAH!!! With a sci-fi convention and a flying machine competition on the horizon, Danny and Percy are desperate to finally get noticed by their superhero idol, Metal Face. But Mum is plotting against them at every turn. (Trust her to want a summer of peace and quiet!) Suddenly only one question is important: is summer camp as HORRIBLE as it sounds?