Defiant (Skyward 4)

From the #1 New York Times bestselling author Brandon Sanderson comes the final book in an epic series about a girl who will travel beyond the stars to save the world she loves from destruction.Spensa made it out of the Nowhere, but what she saw in the space between the stars has changed her forever. She came face to face with the Delvers, and finally got answers to the questions she´s had about her own strange Cytonic gifts. The Superiority didn´t stop in it´s fight for galactic dominance while she was gone, though.