When a killer comet hurtles for the earth, 18-year-old Joanna Murphy is selected to wait out the apocalypse in an underground bunker. She enters cryosleep with her close-knit team, preparing to resettle the planet after the atmosphere clears in two hundred years.Joanna is the only one who wakes up.Faced with a bunker full of bones and a blocked exit, Joanna must claw her way to the surface, figure out what happened to her team, and try not to panic—or die. That’s going to be tricky if she’s the only person left in the world.From the author of The Seabound Chronicles, Steel and Fire, and Empire of Talents comes a story of resilience and optimism at the end of the world.