A lot of the books in this genre (psychological thriller) often don't live up to the expectation by the time you reach the end. There's usually some hint towards the possibilities of ending, which makes it somewhat difficult to read through the end since the interest/excitement might be lost.
This one was different. It's only one of the few, and probably the only one in recent times, that had piqued my interest since the first page and through to the last. The climax itself was revealed quite unexpectedly towards the end. I finished this over the weekend. A very well written and depicted piece. Highly recommend to anyone who's looking to read something not seen in any other book or movie!