The Aeronaut's Windlass

3.5 Stars.
Definitely better than the most recent Dresden books, that's for sure. Starts out as a fairly bog-standard steampunk, with at least one character that made me pause and go “oh, I see you saw someone's Steampunk Lolita outfit”. Still, the characters grow on you, and the plot is strong once you get past the “lol aristocratic assholes in school” bit.

You can definitely see Butcher's character preferences, though– Despite the POV sections for Gwen, Bridget and Folly (and to a lesser extent, Rowl), Captain Grimm is the Main Character in what appears to be a pirate-y war steampunk book, despite all of the above being way more interesting than him and his drama.