Another great, supposedly "unfilmable" novel (besides Watchmen), is Cormac McCarthy's break out 1985 novel Blood Meridian. If you're not familiar with McCarthy, he's the author who wrote the novels that were turned into All the Pretty Horses, No Country for Old Men, and now The Road. Blood Meridian is a critically acclaimed novel, set in the 1850s, about American mercenaries hunting Indians in the Mexican borderland. McCarthy recently talked with the Wall Street Journal (it's actually a fantastic interview) and was asked about why people think Blood Meridian is unfilmable. And his answer might surprise you.
WSJ: People have said "Blood Meridian" is unfilmable because of the sheer darkness and violence of the story.
CM: That's all crap. The fact that's it's a bleak and bloody story has nothing to do with whether or not you can put it on the screen. That's not the issue. The issue is it ...