If your looking for a book on 2012, this is it. it's more of a compilation of work from many reputable sources that spans across four main sections, covering every specific aspect of 2012 in good detail, from scientific, ancient beliefs (mayan, hindu) and how these are actually scientific, religious prophecies, and modern research. with a couple of underlining consistent themes throughout, that brings all the individual theories together.
1) the evolution of human consciousness
2) the influence that energy has on physical manifestation
and most of all how we can use this wisdom, to change the world for the better in the short window of opportunity we are currently in.
not only a knowledgeable book but one that will influence the way you conduct your self through life, and allow you to understand the real reality.