Thrown into the past by ancient, alien technology, Master Scout Gavin Hart becomes a lost human colony's only hope for survival. But a power-hungry warlord and his army stand between Hart and the colony's salvation.Hart discovers allies among the warlord's prisoners-royal guardsmen to a captive princess. But they're intent on rescuing their princess from the warlord's clutches, not stopping the invisible doom from Hart's warning. To save their world,...