Robert R McCammon

The Border is the saga of an Earth devastated by a war between two marauding alien civilizations. But it is not just the living ships of the monstrous Gorgons or the motion-blurred shock troops of the armored Cyphers that endanger the holdouts in the human bastion of Panther Ridge. The world itself has turned against the handful of survivors, as one by one they succumb to despair and suicide or, even worse, are transformed by otherworldly pollution...