Daybreak Zero by John Barnes

A Novel of the Change

In a world devastated by a mysterious global catastrophe known as "Daybreak," survivors struggle to rebuild society amidst chaos and uncertainty. As remnants of civilization attempt to establish order, they face the threat of a relentless, self-replicating nanotechnology that has wiped out most of humanity's technological advancements. Amidst this backdrop, a diverse group of characters, each with their own motives and secrets, navigate the treacherous landscape, grappling with the moral dilemmas of survival, trust, and the remnants of human nature in a world teetering on the brink of a new dark age.