Graceling by Kristin Cashore.
In a world where some people are born with extreme and oft-feared skills called Graces, Katsa struggles for redemption from her own horrifying Grace, the Grace of killing, and teams up with another young fighter to save their land from a corrupt king.
Tithe by Holly Black.
Sixteen year old Kaye, who has been visited by fairies since her childhood, discovers that she herself is a magical faerie creature with a special destiny.
The Princess and the Hound by Mette Ivie Harrison.