A terrifying new Robobeast is about to be unleashed!
All is not as it seems in Aquora. With traitors in their midst, can Max and Lia prevent the colossal leopard seal Hydror from being turned into a deadly weapon?

This book is part of a book series called Sea Quest .

There are 192 pages in this book. This book was published 2016 by Hachette Children's Group .

Adam Blade is a pseudonym used by a team of writers.