Guaranteed to grab you by the throat, Scott Nicholson's heart-stopping new novel reaches blood-chilling heights in "They Hunger."In the rugged wilderness of the Appalachian Mountains, the treacherous Unegama River holds more than its share of mortal dangers. But something deadlier than any force of nature is about to be awakened. Something both unnatural and immortal. Driven from their ancient hunting grounds, they have dwelt in their cave for hundreds...