Scorched Skies by E.J. Mellow

From the award-winning author of the Mousai series comes book one in an epic duology inspired by the Icarus myth, about an outcast woman and a winged prince torn between forbidden love and born duty.

In the divided world of Cādra, where the winged Volari rule over the earthbound Süra, Tanwen has never relished her life of secrecy, but hiding is her only means of survival. As the child of a forbidden union, her very existence is punishable by death.
As the Crown Prince, Zolya is forced to fulfill his father’s every whim. Acting on orders, he captures Tanwen’s father and brother, whisking them away to his kingdom in the sky. Determined to save her family, Tanwen infiltrates the royal court disguised as a servant.
Amid the palace’s intrigue, she realizes there’s more to save than just her family and more to Prince Zolya than meets the eye. As their worlds collide, their star-crossed relationship intensifies under the king’s oppression. With their loyalties pulling them in opposite directions, Tanwen and Zolya must decide if their love can bridge the divide or if they have flown too close to the sun.