Meet Jack, a typical 6th grader except for his glorious passion for all things under the sea. One morning Jack secretly embarks on a dive alone, taking his gear and some gadgets invented by his dad, including a "scubaphone," a device that allows divers to talk without a tablet (one was lost on an ocean outing). When Jack spots an octopus, he is elated to find that it can speak! Enter Armstrong, a brilliant and beguiling octopus. The eight-armed creature not only befriends Jack and teaches him about the beauty and perils of the creatures swimming around him, but leads him to a long-lost ship. As Jack and Armstrong close in on the location of the relic lost ship, they confront a deadly earthquake, a treacherous marine trench, unpleasant animal strife, a collapsing cave and, worst of all, greedy treasure hunters. Can Jack and Armstrong outwit the villainous treasure hunters before it's too late? There's only one way to find out... For a wondrous, nail-biting, underwater thrill-ride, grab your copy of today! did extensive research, and with the help of a Ph. D. marine biologist, accurately reveals the aquatic colors, sounds, and personalities of our glorious yet endangered undersea world. Hence, a portion of the book's proceeds will go to The Nature Conservancy, whose mission is to conserve the lands and waters throughout the world.