This book is the third in an ongoing series called 'Keeper of the lost cities' also know as 'KOTLC' (I am actually rereading this book series)
Sophie uncovers shocking secrets—and faces treacherous new enemies—in this electrifying third book in the Keeper of the Lost Cities series. Sophie Foster is ready to fight back. Her talents are getting stronger, and with the elusive Black Swan group ignoring her calls for help, she's determined to find her kidnappers—before they come after her again. But a daring mistake leaves the Lost Cities teetering on the edge of war—and causes many to fear that Sophie has finally gone too far. With her world turned against her, Sophie is forced to rely on her friends, even though that means putting their lives in serious danger. And the deeper they search, the farther the conspiracy stretches, proving that Sophie's most deadly enemy might be closer than she realizes. In this nail-biting third book in the Keeper of the Lost Cities series, Sophie must fight the flames of rebellion before they destroy everyone and everything she loves.