I have not read any of the prior books in the series. That being said, I really enjoyed this book. In the past, I have accidentally started a series in the middle and immediately felt like I was missing vital information and, as a result, I found the story line difficult to follow. I did not have that experience when reading this story. Yes there was some obvious relationships that I was missing background on, but this book was written in such a way that the lack of the prior information did not detract from the story. I guess on a negative side, I also don't feel compelled to go back to earlier books and read those. However, I would certainly read the next one in the series.
Overall, this was well written, engaging, and I never guessed who was involved with the murders. There were also a couple of unexpected twists which I enjoyed