My next book is... gulp... Ulysses by James Joyce.
A bunch of episodes back, I had that false alarm about Finnegans Wake but after running it past a bunch of people, it was determined that the reference wasn't legit. If it was, I'd still be reading it.
I feel that The Joyce Spectrum of Difficulty goes:
Portrait of the Artist as a Young Man (which I've read)>>>Ulysses>>>Finnegans Wake
So, Ulysses is of medium difficulty. But when we're talking about James Joyce, that doesn't give me much confidence.