Ghoul, n. A demon addicted to the reprehensible habit of devouring the dead. Who would have guessed something he'd penned in jest would turn out to be real and swarm his island retreat? Yet for Ambrose Bierce, renowned nineteenth-century wit and author of The Devil's Dictionary, the joke was on him. If he didn't want to be digested--and he didn't, much--he had to stay alive. [Jackson] "has a wonderful way with descriptive language...