The Orphan Master's Son by Adam Johnson (2012) Random House 

A North Korean orphan's life under the oppressive regime – winner of the Pulitzer Prize.

Obsidian Butterfly by Laurell K Hamilton (2000) Ace 

Anita Blake, a vampire executioner is called to pay a favor to her darkest friend.

Furies of Calderon by Jim Butcher (2004) Ace 

A world where most people can train 'furies' to do their bidding - it's also a world threatened by other types of beings who were the natives of the world.

Midnight Crossroad by Charlaine Harris (2014) Ace 

A town in the southwest where a variety of supernatural beings are trying to live peacefully in a world where evil lurks in the hearts of ordinary people.

The Girl Who Takes an Eye for an Eye by David Lagercranz (2017) Knopf 

In this episode, our heroine, Libeth Salander takes on the NSA as she reaches for her own past.  She makes a lot of enemies by doing what is right, and looking into things other people will kill to keep quiet.  And she finds her twin sister, the evil one.

The Concrete Blond by Michael Connelly (1994) Little Brown 

Bosch is on trial for having killed a serial murderer, and then a note, like the serial killer used, comes to the police station and points out where a victim was buried, unlike all the other victims, a blond under the concrete in a burned-out storage unit.