MidlifeAspie wrote:
The Hyperion Series by Dan Simmons. The 4th book gets pretty deep.
+1
Also recommend
Dune, like someone else did. Some of the books in the series are better than others, but nothing is quite like the first one.
I've been reading Kate Elliott's
Crown of Stars series, and I haven't yet made up my mind about it. Alternate historical fiction with a smidge of fantasy.