Killzone: Book 1 of the Shadowkill Trilogy

Lucas Simmons and Tre Paxton love to play video games.  All kinds of video games.  But most of all, they love the online first-person shooter game Shadowkill.They are so good at Shadowkill that they win an international online competition and are granted a special invitation to the game company's headquarters for an experimental gaming experience.  But what they find is something quite unexpected....