Recommended to me by a friend, Stormdancer really got me hooked pretty quick. It has such a fascinating world of Japanese culture mixed with steampunk, something that I honestly don't really ever see, so it was a pleasant surprise. It even got me to tear up in the end, which is not very common when it comes to books. I also very much enjoyed Jay's descriptive writing of this world. It really does well at describing how gross and polluted the country has become, how much nature has been choked out to the point of extinction. It's very bleak. 

I don't intend on including any major spoilers, but I do recommend giving it a shot. I have yet to read the rest of the series, so hoping they are as strong an entry as this one is!