Action, adventure, and mystery surround the Sunkers, a band of children who live in a submarine, as they try to survive a war in Book Two of the Icebreaker Trilogy . Sharkey is a Sunker - he was born on a fortunate tide, and everyone in the giant submersible Rampart knows it. He's a hero, a future admiral, beloved by the ancestors. The trouble is his life is based on a lie. He's been a fake hero for years, but when tragedy strikes, he must become a real one. And he has no idea how to go about it.Meanwhile, on land, Petrel, Fin, and the crew of the Oyster are on a mission to defeat the Devouts and bring lost knowledge back into the world, a mission they have no idea how to carry out. This second installment of the Icebreaker trilogy features action, adventure, and a world that is perhaps not so different from our own.