Since 'Midwinter of the Spirit' from the book by Phil Rickman was on TV I'm working my way through his books which are very good. At the moment I'm reading the Magus of Hay.
The book before this, which I found mostly unreadable, was Ulysses by James Joyce - I had to watch some of it on You tube to get the gist. I think it is a very clever book and it must have caused a scandal when it was first published and I understand it's 'stream of consciousness' stuff - but still you have to be able to read it. I did enjoy Molly Bloom's pages at the end though.