Amra Thetys lives by two simple rules--take care of business, and never let it get personal. But when a fellow rogue and good friend is killed on the street in a deal gone wrong, she turns her back on burglary and goes after revenge.
Douglas Hulick's Tales of the Kin series;
The Lies of Locke Lamora by Scott Lynch;
Ari Marmell's Thief's Covenant