Klappentext

Are you smart enough to help Ethan, Kiran, Cassia, and Zane escape from an ocean that is teeming with hungry predators?

This dynamic, interactive book is packed with all kinds of puzzles, including fiendish mazes, cunning logic problems, codes to crack, tricky memory challenges, and much more. To defeat the criminal gang that has been kidnapping endangered coral reef species, you will need every ounce of brainpower to progress through the challenges, navigating through five locations to the final exit. Throughout the book, nuggets of non-fiction information about the ocean are scattered on the pages.

Do you have what it takes to help the gang carry out their mission? It's time to find out...