I have just got back from a conference in Germany.
While I was there I read "slaves of sleep" by L. Ron
Hubbard. This was a kind of cheesy fantasy novel, with
a nerd living a different life when he slept. It was
a fun read, but not very deep.
I have read some great science fiction books that are
based on some philosophical idea.
The strange thing is that Hubbard was the writer who
founded Scientology. He just writes a standard by the numbers