Line War by R.E. Asher

In a universe teetering on the brink of chaos, a relentless conflict unfolds between the Polity and the alien Prador, with the enigmatic and deadly entity known as "the Line" playing a pivotal role. As the war escalates, the protagonist, a cybernetically enhanced agent, navigates a complex web of alliances and betrayals, uncovering secrets that could alter the fate of both civilizations. With advanced technology and strategic cunning, the characters grapple with the moral implications of their actions, leading to a climactic confrontation that challenges the very fabric of their existence.