Another thing that didn't quite fit were the remarks made about Libby's sexuality. The timing and "banter" about her bisexuality seemed very contrived.
I also would have liked more links between the two investigative teams. The South African/African American investigators were an interesting combination. I don't know if they will return in later books but I found FBI agent Fenton and South African Occult Crimes investigator Van Dreenan to be a very unique pairing. I would like to read more about them and more on how Libby met Van Dreenan.