Authority by Jeff VanderMeer

clean of all signs of civilization—has been a series of expeditions overseen

After thirty years, the only human engagement with Area X—a seemingly malevolent landscape surrounded by an invisible border and mysteriously wiped clean of all signs of civilization—has been a series of expeditions overseen by a government agency so secret it has almost been forgotten: the Southern Reach. Following the tumultuous twelfth expedition chronicled in Annihilation, the agency is in complete disarray.