i second A Clockwork Orange (despite the missing final chapter).

and i second Fear and Loathing in Las Vegas.

two of my all time favorite books and movies. the latter being as good of an adaptation as i have ever seen. like watching the visions of my mind while reading the book projected on screen.

also, a note on Cuckoo's Nest. i read the book after having seen the movie and i was just dumbfounded when i realized the book was told from the chief's perspective and not R.P.'s. that aspect i think really helped in the differentiating of the two works and strengthened them both.