Cinder by Marissa Meyer
When Cinder, a gifted cyborg with a mysterious past, becomes entangled with the handsome Prince Kai, she finds herself at the center of an intergalactic struggle to save humankind from a deadly plague and ruthless lunar beings.
Ooooh la la! Pick up this one and you will find yourself rooting for a charming underdog with a fun and fresh story. Do not expect a typical fairytale ending from this series opener!