I've been pleased with the reception of How Dark The World Becomes. It's gotten a solid 4.6 stars on Amazon, with only a single three-star review and all the rest fours and fives. It hasn't gotten a lot of published reviews, however, so I was glad to see the SFcrowsnest site in the UK post a nice review last month. Here's a link.
I'm pleased by the review not only because it's positive, but particularly because the reviewer, Kelly Jensen, finds the strengths of the story to lie above all in its characters and world building, which are two of the three parts of the novel I like most and worked hardest on.
For those curious, the third part (for me) was pacing.
On January 9th I also got a short but nice review in the Philadelphia Weekly Press from Henry Lazarus. "Very exciting," the review claims (in part--it's not that short). I guess he noticed the attention to pacing.