Shadow's Son by Jon Sprunk
About Shadow's Son:
In the holy city of Othir, treachery and corruption lurk at the end of every street, just the place for a freelance assassin with no loyalties and few scruples.Source: Info in the About Shadow's Son was taken from the author's website at on 04/10/10.
Caim makes his living on the edge of a blade, but when a routine job goes south, he is thrust into the middle of an insidious plot. Pitted against crooked lawmen, rival killers, and darkest sorcery, his only allies are the socialite daughter of his last target and a guardian spirit no one else can see. But in this fight for his life, Caim only trusts his knives and his insticts, but they won't be enough when his quest for justice leads him from Othir's hazardous back alleys to its shining corridors of power. To unmask a conspiracy at the heart of the empire, he must claim his birthright as the Shadow's Son . . .