When Carolina Giddle moves into the Blatchford Arms, no one knows what to make of her sequin-sprinkled sneakers and her trinket-crusted car. But the parents are happy there’s a new babysitter around, and Carolina seems to have an uncanny ability to calm the most rambunctious child with her ghostly stories.Armed with unusual snacks (bone-shaped peppermints, granghoula bars and Rumpelstiltskin sandwiches), candles to set the mood, and her trusty sidekick — a tarantula named Chi