Young Adult Science Fiction. Breaking through the barrier. Up to now Carla"s life in her New Eden colony has been predictable, secure, and contained within an impregnable barrier. Well, other colonists may be content with their lot, but for Carla safe is not enough. There"s a whole alien world to explore out there and Carla wants to be the first one to see it. If she can break through the barrier and make her dreams a reality, what then? And what of the alien voices in her head?