A thousand feet underground.
A billion years from Earth.
A week to live.
Keldin gave up everything to survive: his career, his community, his family. He was beaten, mutilated, and poisoned. He traveled to an alien world, passed through fire and ice and darkness and a mile of solid rock.
Armed with only the barest of tools and the briefest of training, he walks abandoned tunnels, groping in the dust for abandoned memories. He painstakingly...