love that book: here's a quote
just a taste:
"Banging up the steepest slope, shoving away mounds of cinder-spoiled snow with his hobnails, smelling of venison and rabbits, the anise odor of some Oriental liquor on his breath. No one has seen him, (or if they have, there has been no acceptance of the impossible slight, for rumors have him dead of thirst, contorted on his back at the bottome of Bright Angel Trail, eyes gnawed out by wild Grand Canyon burros; fallen upon by tattooed pachucos and burned to death in the New Mexico night by a thousand cigarettes dipped in aqua regia; eaten by a shark in San Francisco Bay, a leg wahed up in Venice West; G. Alonso Oeuf has him frozen blue in the Adirondacks), he stumbles back from its lakes now (found sitting on a bed of tender spruce boughs, his legs folded under him in full lotus, stark naked with an erection, discovered by the St. Regis Falls D.A.R. out on their winter bird walk).
I am invisible, he thinks often. And Exempt. Immunity has been granted to me, for I do not lose my cool. Polarity is selected at will, for I am not ionized and I possess not valence. Call me inert and featureless but Beware, I am the Shadow, free to cloud men's minds. who knows what evil lurks in the hearts of men? I am the Dracula, look into my eye."