Tread of Angels by Rebecca Roanhorse

It's a short lil novella by the author of one of my favorite series. We're set in a world of literal angels and demons (and mostly humans). There are two main groups (races, basically) of humans, one that's considered demonic and the other considered angelic, basically. It is very clear, obvious commentary on racism. It is also a pretty good little fantasy story. The main character's sister is accused of murdering one of the ... uh ... basically cops. Idr what they call them, but they're basically cops, and they're basically the KKK. The main character's journey to defend/free her sister is the primary story of the book. There's a little bit of romance in it, but not too much. The story certainly more concerned with the story than the romance - the romance is a fairly small piece (thankfully). The story resolves reasonably well, like it's a somewhat satisfying ending, but there are some jarring aspects toward the end of the book - just things I had not come to expect from the…