The type that will totally crush your spirit and make you feel worthless; the literary equivalent of those really depressing/heartbreaking songs that have singers who have cracking voices and are possibly in tears as they record. Nothing too in-your-face, though. More like something that is naturally sad, as opposed to something that seems to be forcing sadness.
You know, that kind of thing. I would specifically like to know some authors who deal almost exclusively in that style, instead of just one novel.
On you go.