Have you read any science fiction or fantasy that was published (in English) for the first time in 2015 that really knocked your socks off?

I'm reading as much as I can before the Hugo Awards nominations open in January. Tell me what you loved! I want to read it!

Novels I've read so far that I'm seriously considering nominating: The Just City, by Jo Walton Aurora, by Kim Stanley Robinson Uprooted, by Naomi Novik

But there are categories for shorter works of fiction too. What have you read and loved this year?

Also, does anybody else here nominate/vote for the Hugos?

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