A few years ago I received a letter from Barry Hannah, written in a shaky hand, on University of Mississippi stationery. I was working at the Paris Review, and he was writing to submit a short story by one of his students. It was a generous gesture, and a rare one, too—you’d be surprised how infrequently authors submit their favorite students’ work. (The students might be even more surprised.) But the most striking thing about the letter was the way Hannah introduced himself. “I’m not accustomed to this kind of thing, but I’m the author of Geronimo Rex, Airships, Ray,