FROM A USA TODAY bestseller and Audie-nominated author: A thousand years ago, an alien invasion set humanity back to the Iron Age. Slowly, we recovered, colonizing the Solar System in peace.And discovered that an unknown force is stopping us from exploring any farther.But before the cause can be discovered, a slow-burning conspiracy threatens to explode into System-wide war. With enemies at home and in the darkness beyond, a team of unlikely heroes-a...