Faebound (Faebound, #1)

"Yeeran was born on the battlefield, has lived on the battlefield, and one day, she knows, she will die on the battlefield. As a warrior in the elven army, Yeeran has known nothing but violence her whole life. Her sister, Lettle, is trying to make a living as a diviner, seeking prophecies of a better future. When a fatal mistake leads to Yeeran's exile from the Elven Lands, both sisters are forced into the terrifying wilderness beyond their borders. There they encounter the impossible: the fae court. The fae haven't been seen for a millennium. But now Yeeran and Lettle are thrust into their seductive world, torn among their loyalties to each other, their elven homeland, and their hearts"--