Charming

The first novel in the Pax Arcana series, Charming features John Charming a monster hunter who doesn't quite fit into any world. Born and trained as a Knight, he is compelled by the Knights' geas to protect the Pax Arcana, a spell put into place by the Fae when they left our world to protect humanity from the magic world and the magic world from humanity. But he is also a werewolf and because of this he's an abomination and the monster-hunting Knights want him dead. Still hurting from the death of his wife who was killed in a trap the Knights set for him he believes he needs to keep himself to himself to protect others. Of course, fate has other plans and in this novel he meets the Valkyrie, Sig, along with others who will form his posse over the series.

A good solid urban fantasy.