Death Bringer by Derek Landy
The Necromancers no longer need Valkyrie to be their Death Bringer, and that's a good thing. The catch? They don't need her any more because they've found their Death Bringer already, the person who will dissolve the doors between life and death. And that's a very, very bad thing...
Between the Sea and Sky by Jaclyn Dolamore
Esmerine, a mermaid, grows close to her childhood playmate Alander, a winged man, when they join forces to find her sister Dosia, who has reportedly eloped with a human despite the sisters' vow to always keep the sea and its people first in their hearts.
Uglies: Shay's Story by Scott Westerfeld
A few months shy of her sixteenth birthday, when she will be transformed into a "pretty" whose only job is to have a great time, Shay befriends the Crims, a group of teens who refuse to take anything in society at face value.