/lit/ - Literature

>>9814329
>a theme of desolation, loneliness and a feeling of "smallness" and impotence in the universe?

The Hydrogen Sonata by Iain M Banks.

It's actually one of my least favourite Banks Culture novels because it made me feel really depressed afterwards, I was left feeling desolated, like my actions don't matter. An inevitability about events that you can't stop even if you're powerful and good willed and want to help, it doesn't make any difference at the end of the day.

I just felt kind of empty when I finally read the last page of this book.

But it matches exactly with what you're after, so I strongly recommend this, I think you'll get what you want.