Ember in Space Series by Rebecca Rode

GETTING SOLD TO THE EMPIRE WAS NEVER PART OF THE PLAN. Ember lives two very different lives. By day she's a mysterious Roma future-teller, and by night she struggles to care for her sick father. All she wants is the power to control her own life--no arranged marriage, no more poverty. Her future-reading talent is what will get her there. But when the Empire discovers her gift, Ember's life changes forever. Ember soon finds her innocent talent is far more dangerous than she believed... moreGETTING SOLD TO THE EMPIRE WAS NEVER PART OF THE PLAN. Ember lives two very different lives. By day she's a mysterious Roma future-teller, and by night she struggles to care for her sick father. All she wants is the power to control her own life--no arranged marriage, no more poverty. Her future-reading talent is what will get her there. But when the Empire discovers her gift, Ember's life changes forever. Ember soon finds her innocent talent is far more dangerous than she believed. The Empire wants to turn her into a deadly weapon. But Ember has plans of her own, and they don't include living under the Empire's control. Because even the best weapons can backfire. less

The Empire has taken nearly everything from Ember. It's time for payback.Now that Ember has switched sides, there's plenty of work to be done. She plans to rescue the oppressed flickers, find Stefan, and escape with him past the Empire's reach. But a new individual has infiltrated the Empire. The emperor is no longer Ember's greatest enemy. Even if she manages to rescue Stefan, can she leave her friends to face annihilation alone?