To me, postmodern literature tends to be more concerned with the way a novel is structured, the language, the dismantling of "accepted" notions of what fiction "should" be, experimentation with form, sometimes playing around with the idea of "fiction being aware of itself", and less concerned with "plot" (although some postmodern novels do tell some wonderful stories). read more
Modern fiction often explores the theme of identity, which is more fluid and unstable than in pre-modern literature. Modern fiction privileges interiority over exteriority, a good example of which is the hallmark of modern literature – the stream of consciousness. read more