The Demon Behind Me - Christopher Nelson - Bog

Isaiah Bright has a certain knack for getting stuck in the middle when worlds collide. When a powerful organization of mages reveals the existence of demons, angels, and magic to an unsuspecting humanity, the resulting conflict threatens to annihilate all three races. Isaiah, his mage partner Tink, and his angelic friend Caleb DeMarco face friends and foes, both old and new, while trying to defuse the conflict. No one told him the only way to end this conflict would be to become God.