Max and Lia have tackled many deadly enemies, but how can they hope to defeat a fiendish razor-toothed barracuda which can control minds? The friends will need a clever plan and plenty of courage to win this battle!

A special bumper instalment in this thrilling new undersea adventure series. Don't miss series one and two - out now.

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

There are 192 pages in this book. This book was published 2014 by Hachette Children's Group .

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