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I have not read this but I can recommend Vernor Vinges book “A Deepness of the Sky” on a similar theme. https://en.m.wikipedia.org/wiki/A_Deepness_in_the_Sky

I've read both and both are 10/10. But if you use a 100-point scale then Vinge's book is 99/100 and Tchaikovsky's is 95/100.

Then I will put this one on my to read list. I actually re-read the book by Vinge recently after he passed.