From New York Times bestselling author Ryan Winfield, a thrilling tale of friendship, betrayal, and adventure. Sometimes the best intentions ultimately lead to evil ends. That's what fifteen-year-old Aubrey VanHouten learns when he stumbles onto a post-apocalyptic paradise where the few remaining humans live on the run from deadly drones controlled by a mysterious Park Service. Torn between loyalty to his new best friend and trusting the girl of his dreams, Aubrey must learn to survive in a world he never dreamed existed while searching for answers to why everything he was taught is a lie. Beautifully written with challenging moral dilemmas and heart-melting friendships, The Park Service trilogy is an epic coming-of-age-story that will inspire and delight readers young and old.