Wild Woila hat Children of Ruin von Adrian Tchaikovsky besprochen (Children of Time, #2)
Intelligent octopuses = fun chaotic genius
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Another case of interstellar evolutionary uplift, but this time with octopuses. Given their unusual neurology (where each tentacle is somewhat independent of the central nervous system), this makes for a lot of fun chaotic genius. And there's actual alien life which is a bit too hungry for assimilation. The spiders and humans get a look in as well as they attempt to come to peaceable terms. Excellent nerdy scifi.