Real Mermaids Don't Wear Toe Rings, by Hélène Boudreau
A fun middle-grade read. Judy Blume meets something fishy.
The Hundred Thousand Kingdoms, by N.K. Jemisin
I do believe I'm going to nominate this one for a Hugo. Not many books have kept me up to 2 A.M. to finish them in the last year. This one did. A highly original fantasy.
Dreadnought, by Cherie Priest
Eclipse, by Stephenie Meyer