The Flight of the Spellbound. The Karneesia Chronicles, #2

Falcon by day. Girl by night. Eyl has transformed against her will every day for nine years. She and her fellow captives are magically bound to their captor-and the wizard's mental state is deteriorating. They have nearly given up hope of escape.until the night a stranger arrives at the tower. Natural son of the High Wizard, Fee is bone-tired of war and of being his father's pet interrogator. When he finds letters to his father offering magical experiments to assist the Damaslar war effort, Fee deserts to help them flee.
He doesn't expect to be greeted with a knife to the throat by a prickly but fascinating girl full of hidden pain and deep secrets. The spells that trap Eyl are as layered and complex as her trust issues, and escape is only the first step. To find a refuge, Eyl and her companions must depend on each other as they cross a haunted forest and traverse a warzone while she and Fee grow from reluctant allies to something more.
 But Fee's father is not ready to let his secret magical weapons go without a fight, and Eyl can't run from her past forever.. THE FLIGHT OF THE SPELLBOUND is a romantic fantasy adventure perfect for fans of Ladyhawke, Willow the Series, and Shannon Hale. It is the second in the Karneesia Chronicles, interconnected standalones set in the world of Karneesia.