The first half of the book definitely had my attention more. The author has taken into account quite a few sources, and I liked how they accompanied any conclusions drawn by historians (especially Indus Valley Civilization) with explanations as to why. For someone who doesn't understand these things, it was quite refreshing to read. 

I question some of their word/sentence choices at times. Also, I would have liked to see a more thorough discussion on the origin of caste, which was covered very briefly. 

Overall, it's a pretty neat book.