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Iain M. Banks: The Hydrogen Sonata (EBook, 2012, Little, Brown Book Group) 4 stars

The Scavenger species are circling. It is, truly, the End Days for the Gzilt civilization. …

Review of 'The Hydrogen Sonata' on 'Goodreads'

5 stars

Like [b:Excession|12013|Excession (Culture, #5)|Iain M. Banks|https://i.gr-assets.com/images/S/compressed.photo.goodreads.com/books/1288930712l/12013.SY75.jpg|1494164], just with more likeable human protagonists.

Good:
I just like it when the Minds play the active role in the story.
It was fun seeing a Culture equivalent civilization!
Dealing with the subliming and immortality in what ended up a last book of the series feels oddly fitting.

Bad:
Book of Truth could have been explored more. Its importance is stated, but not really shown.