A Drop of Corruption, Robert Jackson Bennett

Fantasy blends with Sherlockianintrigue in the second of the Ana and Din mysteries. The pair are dispatched tothe far flung Canton of Yarrow to investigate the abduction and subsequentmurder of a treasury officer.

What began as an impossible crime -solvedquickly by Ana - morphs into a battle of wits between Din, Ana and an opponentwhose enhancements have rendered them quite brilliant; not to mentionfunctionally insane. With the fate of Yarrow at stake, Din begins to worry thatAna has finally met her match.