'A terrible thing happened to Ziggy Plunkett. His parents were swallowed alive. by a giant jellyfish. Even Shayla's dad with his hotted-up ute and explosives can't get them out. Nor can Admiral Crushmore with his breakdancing mini-submarine. In fact, no one can. Mrs Plunkett can't do a thing with her hair. And Mr Plunkett's croissants are going stale.And now they are hurtling towards the centre of the Earth.WATCH OUT! This book will suck you in! It's jam-packed with crazy underwater action,several rather sticky situations.and lots and lots of jelly.' (Publication summary)
