2012 researcher and author Marshall Masters, offers an in-depth look at the predictions made in a crop circled formation he calls the "2012 Star Map of Doom." br br Known as Avebury 2008, it tells us that on December 21, 2012, we'll begin to experience the onset of a protracted global catastrophe. It will last for years and will include a pole shift, such as the one predicted by Edgar Cayce. br br For the readers of Marshall's book, Crossing the Cusp: Surviving the Edgar Cayce Pole Shift, this video offers an in-depth back story not included in the book.