The Dragon's Path: Dagger and Coin, Book 1

Popular author Daniel Abraham's works have been nominated for the Hugo Award and the World Fantasy Award. In The Dragon's Path, former soldier Marcus is now a mercenary-but he wants nothing to do with the coming war. So instead of fighting, he elects to guard a caravan carrying the wealth of a nation out of the war zone-with the assistance of an unusual orphan girl named Cithrin.