Leo Tolstoy in Russian
Tolstoy wrote the longest novels in the language and some of its plainest short prose, and «После бала» is the second kind: a ball, a mazurka, and what the same man was doing at dawn. The sentences are ordinary; what they carry is not.
His works in the library
После бала — After the Ball
A ball, a mazurka, and what the same man was doing at dawn.
The other writers
Chekhov, Gogol, Turgenev and Dostoevsky — what each asks of a reader. Or see which book to start with and how much Russian you need.