A Desolation Called Peace by Arkady Martine
First, go read A Memory Called Empire if you haven't yet. It's a fabulous book and I'm not sure you can fully understand/ enjoy A Desolation Called Peace without it. It's where we are first introduced to the Teixcalaan Empire, which spans across galaxies. It's an empire full of political intrigue and poetry. We also met Mahit Dzmare, the ambassador to Teixcalaan from Lsel Station, a small, independent mining space station with its own culture, identity, and most importantly technology. Lsel creates imagos, memory imprints that are designed to meld into the personality of the wearer and preserve the preceding generations of knowledge.
This time around we meet the aliens, the ones killing people on the edges of the Teixalaan Empire. There is so much I could say about this book. The world-building is amazing and the aliens interesting, although maybe not unique. The main characters, and there are several, are each fully drawn with strengths and flaws and...