Books that are smart and scary—just frightening enough for catharsis, and just exotic enough in their trappings that you'll probably still be able to sleep at night, if you're not lying awake thrilled by just how good they are.The only one of the ten that I've read is Specimen Days by Michael Cunningham which I reviewed here. It was unsettling but I didn't find it scary. The most terrifying book I ever read was The Charcoal Burners by Susan Musgrave. Thirty-five years later it still haunts me.
More: 10 Creepiest Books