One Against the Dimming

Khalid has survived alone in a ghost-riddled world for as long as he can remember. He knows how to lay a limestone circle, when to run, and how to stay alive when most people don't. What he doesn't know is how to fight the things that salt bombs can't stop - the bigger, darker ghosts that are showing up more and more.

When a mysterious recruiter named Fenn leaves a letter on his fire escape, Khalid follows the coordinates east to the Bastion: a fortress school where hunters are trained, secr...