The Bitter Kingdom

In the final volume of Carson's trilogy, the seventeen-year-old sorcerer-queen will travel into the unknown realm of the enemy to win back her true love, save her country, and uncover the final secrets of her destiny. Elisa is a fugitive in her own country. Her enemies have stolen the man she loves in order to lure her to the gate of darkness. As she and her daring companions take one last quest into unknown enemy territory to save Hector, Elisa will face hardships she's never imagined.
And she will discover secrets about herself and her world that could change the course of history. She must rise up as champion-a champion to those who have hated her most. Riveting, surprising, and achingly romantic, Rae Carson has spun a bold and powerful conclusion to her extraordinary trilogy.