A generation ago, continent-sized storms called hypercanes caused the Earth to flood. The survivors were forced to retreat deep underground and build a new society. This is the story that sixteen-year-old Jansin Nordqvist has heard all of her life. Jansin grew up in a civilization far below the Earth's surface. She's spent the last eight years in military intelligence training. So when her parents surprise her with a coveted yet treacherous trip above...