Fear and Loathing in Las Vegas/Nightmare Fuel

"Duke: One of the things you learn from years of dealing with drug people is that you can turn your back on a person, but never turn your back on a drug--especially when it's waving a razor-sharp hunting knife in your eye."
 * The adrenochrome sequence is just... ugh.
 * There's also Ralph Steadman's illustrations in the book.
 * Dr. Gonzo with the knife on a bad acid trip.