Strange Grace

Long ago, a village made a bargain with the devil: to ensure their prosperity, when the Slaughter Moon rises, the village must sacrifice a young man to the depths of the Devil's Forest.

Only this year, the Slaughter Moon has risen early.

Bound by duty, secrets, and the love they share for one another, Mariwen, a spirited witch; Rhun, the expected saint; and Arthur, a restless outcast, will each have a role to play as the devil demands a body to fill the bargain. But the devil these friends find is not the one they expect, and the lies they uncover will turn their town--and their hearts--inside out.

Something's gone wrong with the bargain....

This description comes from the publisher.