I've read all six novels of David Brin's Uplift trilogies this past year. If you enjoy sci-fi written with a sound grasp of ecological issues and an intriguing take on galactic society, have a look at these books. Also, dolphins in space. If you are unfamiliar with this author, you may remember him from his essay on a particular persistent trope in sci-fi writing linked on HN: https://news.ycombinator.com/item?id=13040930 I enjoyed the Uplift series (written in the eighties and nineties) a lot, and was pleasantly surprised to learn of a short story bundle that came out just this year. It includes a novelette that takes place in the Uplift universe, wrapping up some loose ends.…
Also recommended in this reply