The Gods Themselves by Isaac Asimov
It amazes me how Asimov writes about people set in science fiction worlds. His description of sci-fi is so clear, it makes the human drama taking place in it never look out of place.
I had never heard of this novel before my friend Mauricio recommended it last December — and it was a great holiday quick read.
One of Exhalation’s short stories reminded me of it, and I had forgotten how many ideas were causally in it: para-universes, lunar colonies, alien civilization and culture. While it’s a 70’s book, it holds extremely well, with many sensitivities like the role of gender and the cost of clean energy that could have been written today.
If you haven’t read Asimov before, this isn’t the best book to start — it get a bit slow with long dialogs in the middle. But if you like his other books, or hard Sci-Fi; it’s a must read.