Alwyn Hamilton

"Amani is desperate to leave the dead-end town of Dustwalk, and she's counting on her sharpshooting skills to help her escape. But after she meets Jin, the mysterious rebel running from the Sultan's army, she unlocks the powerful truth about the desert nation of Miraji...and herself"--

Armed with only her revolver, her wits, and the Demdji powers she's struggling to control, Amani must rally a crew of rebels to take on the bloodthirsty sultan of Miraji and free the imprisoned prince Ahmed.