[pstorm]

While I haven't read 3BP yet, you might be interested in the Zones of Thought series by Vernor Vinge. Extremely grand and unique universe, some politics, diverse cast, lots of interesting tech. I use it as a benchmark for grand space operas.

[__rito__]

Thanks for the recommendation!

[glenstein]

Chiming in late to wholeheartedly endorse Seveneves.