Well, Harvard Classics is hardly novel centric.
1 Philosopher, Nietzsche
1 Fantastic Autobiography, Proust
1 Economist/Sociologist, Marx
1 Redefinition of novel, Le Rouge et le Noir, Stendhal
3 Plays, Long Day's Journey into Night, Waiting for Godot, Mutter Courage und ihre Kinder
1 One truly remarkable theory, Freud
1 Epic, Absalom! Absalom!, Faulkner
1 Book of poetry, T.S. Eliot, Rilke...
2 Books of Thinkers, Sartre, Heidegger, Kierkegaard, James(William), Wittgenstein