“I agree with Kilgore Trout about realistic novels and their accumulations of nit-picking details. In Trout’s novel, The Pan-Galactic Memory Bank, the hero is on a space ship two hundred miles long and sixty-two miles in diameter. He gets a realistic novel out of the branch library in his neighborhood. He reads about sixty pages of it, and then he takes it back. The librarian asks him why he doesn’t like it, and he says to her, “I already know about human beings.”