How can a literary work of fiction, which is by definition non-factual, convey knowledge?
I think knowledge is about how much aware of you are with realistically and empirically, and fiction helps you with the empirical part for us. There are few situation that we would never be able to face in our life. For example, meeting E.T, maybe climbing up Mt. Everest, space trip, etc. In fiction, characters in fiction acquire information, knowledge that we wouldn’t acquire easily or never. By reading writer’s description of new situations, we can get the hang of what these experiences are. Of course, these descriptions might be wrong, but still it gives us some ideas how it will feel like when we face the situation.
So fiction can convey knowledge ^_^