It's been long enough, although I think spoiler tags should still be used. I don't know.
I couldn't find a copy of the novel in any bookstore, but it turns out that it's out on Google Play, so I just bought it off that, and I finished it in two days.
I loved it. I figured out who the first culprit was, but after that the story had so many twists and turns it was classic VM.
And not me imagining Petra Landros as Natalie Figueroa from Orange Is The New Black.