An action-packed YA novel set in a socially fragmented future San Francisco. The world has descended into a morass of radioactivity and harsh climate shifts. The wealthy have escaped to rule from the protected Inworld; enormous, impenetrable domes that dominate urban skylines. Outworlders must live a life of serfdom catering to the Inworld, unless salvation can be won through prowess in Ket-a game of dangerous anti-gravity maneuvers and debilitating energy pulses. This is the story of three lost Outworlders youths. Tristan is unmatched in his dedication to the games, Luisa is plagued by the memories of her family, and Michaelis has been cast aside by a