A young girl, alone in an infected world. Alone since she was only five years old, Sparrow meets a young man named Felix who wishes to recruit her for her excellence in hunting. Together they feed the people of Rebirth until a creature like no other appears. It destroys everything in its path. It wants something when Sparrow finds that something, her life is torn into shreds. All she wants is a life where nothing wants to kill her all the time, but this ending seems impossible, because this world of hers, brings forth nothing but death. A new book, "This World of Ours, the book from Felix's view on the world.