I enjoyed this book until half-way through when I'm afraid I began to find the repetition of information rather boring. It appeared that the author was worried I wouldn't understand all the scientific explanations of DNA or the consequences of what the protagonists were finding and so she kept repeating the same details in differing ways. I found this rather insulting and annoying.
Also, apart from finding the murderer, which was not the most important aspect of the mystery, I felt that I learnt very little about the other, more major, enigmas in the novel.
I have read all of the other Tempe Brennan novels and have been thrilled with them and read them avidly but, unfortunately, this one I almost didn't finish.