It is two hundred years in the future. Eighteen-year-old Paige Christian has been given a chance to join the crew of the Traveler–a special spaceship designed to circle the solar system at near light speed. One day aboard the Traveler is equal to ten years on earth. The Traveler is a time capsule as well as a spaceship. Its purpose is to study the changes on earth throughout two centuries, and then return home. she left behind. Until the day she finally does come home, to a world and a future no human being could have imagined.