Lord of Swans — Amberlyn Holland

At the moment tyrannical King Aegron the Cruel was assassinated, each of his children was struck by a different dark curse. Five years later, the Dark Kingdom is struggling to survive.Once, Prince Darian of Darkhar was renowned for his charm and the silver-tongued charisma that allowed him to glide effortlessly through court, getting his way in all things.  Then the curse struck, leaving him with useless wings and an even more disturbing secret. In the five years since, he'd become a brooding recluse, hiding away from the world in the Observatory's tower.  Now, though, deteriorating relations with the neighboring kingdom of Ythar force him from his solitude to deal with the diplomatic crisis. And the ordeal is compounded by the arrival of the woman he'd forced himself to walk away from years ago. The woman his heart had never forgotten. Mykeya spent years apprenticing under Darkhar's premier ambassador, only for her first solo assignment to end in chaos and confusion.  Given a second chance, she's determined to prove herself. Even if it means working with the man who broke her heart. But the Ytharian diplomat is playing a dangerous political game. To uncover his clandestine plans, Mykeya and Darian have to find a way to trust each before they can work together to unravel the knots of intrigue surrounding them. Before Darkhar is plunged into a war it can't win. This Swan Princess inspired fantasy romance novel features a prince cursed with useless wings, an apprentice diplomat trying to prove herself, a second chance at love, and mysterious magical cat who has plans of her own.