If literature is the world, then fantasy and horror are twin cities, divided by a river of black water. The Horror place is a rather more dangerous place, or it should be: you can walk around Fantasy alone. And if Horror and Fantasy are cities, then H. P. Lovecraft is the kind of long street that runs from the outskirts of one city to the end of the other. It began life as a minor thoroughfare, and is now a six-lane highway, built up on every side.