Treasures and Trinkets (The Dragon's Brood Cycle)

Before she was a prisoner in Marianne's crystal mines or just another face among the multitudes in the city of Seven Skies, Maddy had a different name and everything she could want—governesses, gowns, and gold to fill her pockets. And though she wasn't the son her father had wanted, it was inevitable that one day she would inherit his title.
But Maddy's predictable world is turned upside down when an extraordinary servant girl challenges everything she's ever known; there's a wider world bey...