Edges

From the Edge of Apocalypse:

Deception Well is a world on the edge, home to an isolated remnant surviving at the farthest reach of human expansion. All across the frontier, other worlds have succumbed to the relentless attacks of robotic alien warships, while hundreds of light years away, the core of human civilization--those star systems closest to Earth, known as the Hallowed Vasties--have all fallen to ruins. Powerful telescopes can see only dust and debris where once there were orbital ...