..., The Book of the New Sun by Gene Wolffe, and ...
Ugh, no, sorry. Those were way too obtuse for me. I slogged through all 3 of them, but half of the time I had a headache trying to figure out exactly what was going on. I enjoy reading, but not enough to have to analyze every paragraph.
Lots of people praise them, which is why I picked 'm up, but sorry, can't recommend. English is my second language though, so that might have something to do with it, even though I exclusively read in English these days and have not struggled with other books.