The bone-chilling, hair-raising second installment of the Southern Reach Trilogy. This 10th Anniversary Edition of Authority features a new introduction by Hugo Award–winning author N. K. Jemisin.For thirty years, a secret agency called the Southern Reach has monitored expeditions into Area X—a remote and lush terrain mysteriously sequestered from civilization. After the twelfth expedition, the Southern Reach is in disarray, and John Rodriguez (a.k.a. "Control") is the team's newly appointed head. From a series of interrogations, a cache of hidden notes, and more than two hundred hours of profoundly troubling video footage, the secrets of Area X begin to reveal themselves—and what they expose pushes Control to confront disturbing truths about both himself and the agency he's promised to serve.