Grace and Glory

Its place in The Harbinger

Grace and Glory is book 3 in the The Harbinger series. It follows Rage and Ruin. See the full The Harbinger reading order.

The Harbinger follows Trinity Marrow, a teenage Warden -- a supernatural guardian descended from angelic bloodlines -- tasked with hunting down demons that slip into the human world, all while hiding what she is from almost everyone she knows. Storm and Fury opens the trilogy with Trinity confined to her family's compound after a demon attack years earlier left her guilt-ridden and overprotected, until a mysterious, obviously-not-human guy named Zayne pulls her back into a fight against a demonic threat bigger…