Spensa's world has been under attack for decades. Now pilots are the heroes of what's left of the human race, and becoming one has always been Spensa's dream. Since she was a little girl, she has imagined soaring skyward and proving her bravery. But her fate is intertwined with her father's--a pilot himself who was killed years ago when he abruptly deserted his team, leaving Spensa's chances of attending flight school at slim to none. No one will...