Wow! Secrets of the oceans! You are holding a very unusual book. It will help you see the mysterious underwater world and meet the unusual and fantastic ocean dwellers. Glowing jellyfish and gorgeous clams; singing whales and the fastest fish! Get acquainted with them in the most amazing submarine journey. Unveil all the secrets of the oceans! It’s not magic. Not even alien technology. This is special technology called augmented reality. Face it, you can’t wait to try It, can you then Let’s go! Just download the free Devar app to your smart phone or tablet, activate the book, and become the hero of a new and exciting adventure. The story begins right now.