Victoria Aveyard

Mare Barrow's world is divided by blood -- those with common, Red blood serve the Silver-blooded elite, who are gifted with superhuman abilities. Mare is a Red, scraping by as a thief in a poor, rural village, until a twist of fate throws her in front of the Silver court. Before the king, princes, and all the nobles, she discovers she has an ability of her own. To cover up this impossibility, the king forces her to play the role of a lost Silver princess...