Excession (Paperback, 1997, Orbit) 4 stars

Two and a half millennia ago, the artifact appeared in a remote corner of space, …

Didn't mesh with the audio narrator

3 stars

I know it's not fair to the book itself, but I struggled to finish this one because the narrator's voice did not agree with my ears. It's quite interesting overall, a bit complex but I think necessarily so given the topic.