Sometimes your greatest weakness is your greatest strength.

Princess Derya has returned from her quest a failure. Not only is she without the crown of Cetus, but she's suffered a devastating injury from which she may never recover. Then there are the rumors that her father is about to name another heir…

Support from the emperor was too much to hope for. Instead, he commands Derya to work under her cousin Yildiz—one of her rivals for the throne—to fend off an invasion from the east. Derya suspects this might be an assignment she's not supposed to return from.

With Cetus and his horde of monsters advancing from the west, Derya knows that following her father's orders could deliver the entire continent into the hands of the evil sorcerer. But she cannot find Cetus's crown, or defeat him, alone.

Defying the emperor is treason. Obeying him could doom them all.

The Girl Who Cracked the Sky is the final installment of the Royal Mages series.