Area X has been cut off from the rest of the continent for decades. After eleven unsuccessful expeditions to survey the area--most of which ended in death--the twelfth expedition is set to go. Area X delivers the unexpected, but it's the surprises that come with the team that change everything. Followed by "Authority". Winner of the 2014 Nebula Award for Best Novel and the 2014 Shirley Jackson Award for best novel. 2014.