Max and his friends have already fought off three terrible Robobeasts. Now they face the ultimate battle, as the evil Professor tries to use Mangler the Dark Menace to destroy the ocean worlds!

Don't miss the other books in this series: Shredder the Spider Droid, Stinger the Sea Phantom and Crusher the Creeping Terror.

This is book 8 in Sea Quest .

There are 128 pages in this book. This book was published 2013 by Hachette Children's Group .

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