Is it a theme park or a model railroad? Or a mad billionaire's ultimate self-indulgence?It's the year 2037. Sixty thousand miles out in space orbits the asteroid called Vesper, Earth's new second moon and the private property of the richest man in history. No one knows what he has been building there, but suddenly the future of the human race depends on finding out - and fast. For fifteen-year-old Ronn Evans, what begins as another ordinary day in school winds up very differently when he and his cousins are all but kidnapped by their own government to be sent into space. To their amazement, they learn that they are the only ones who can get inside the mysterious asteroid to see what has gone wrong.There are other players in the game and time is running out. Will Ronn and his cousins be able to get back to Earth, or will they be trapped forever inside a dream that has turned into a nightmare?