Humanity Kept This Planet Frozen For 200 Years. The Reason Is HORRIFYING

On a planet locked in a two-hundred-year winter, eleven hundred survivors depend on a deep thermal bore for heat. When instruments detect an impossible warm zone far beyond the city's thermal radius, David Corbett is sent with four others to investigate. They find preserved forests, abandoned settlements that survived far longer than official history admits, and a valley where the air itself is warm enough to breathe.

But the valley is changing faster than it should. Ancient terraforming machinery is running again. Vegetation spreads by the hour. The missing colonists left no bodies, and members of...