IT'S THE WITCHING HOUR on a dark, moonless night. You're huddled with friends around a campfire in the woods far from town, taking turns telling tales. Someone has just recounted a particularly eerie ghost story, insisting it was true. You sit silently, staring self-consciously into the flames, reluctant to let on that the story actually made your skin crawl. Then someone in the shadows clears his throat and begins to speak: "Did you hear the one about. . . . . "


