November: The Three-Body Problem by Liu Cixin.
December: Snow Crash by Neal Stephenson.
A poll for the January 2019 book will be around the 15th, unless you want it sooner (not sooner than the U.S. midterms).
Discuss Foundation [wikipedia.org] by Isaac Asimov in the comments below.
As for Liu Cixin's best known novel [wikipedia.org]:
"Wildly imaginative, really interesting." ―President Barack Obama on The Three-Body Problem trilogy
The English translation for The Three-Body Problem was published in 2014 by Ken Liu under Tor Books.
Consider using <spoiler>text</spoiler> wherever you feel the need to do so.