Just giving the review that I received from one of the reader. Earik has seriously diappointed for this book to him (could be prejudice!).
Big Bertha concept is nothing but ONLY improved version of - Delta-Phenomenon or what you call the latest work of Steve Copan on Market Matrix with few handsome indicators(modified Larry's %R
]. Though book could be a good for many, the price is too much and not worth its value. Take you own call.
Smartly said that, there is no inversion in Big Bertha theory unlike Market Matrix, but mind well, that Market matrix for daily charts and this is mostly for intra-day and lower time frame, so it is just marketing tool to sell....and as the author says in the preface to the book, that he would rather prefer to trade rather than work as CEO of a Co. on wallstreet with Venture Capital etc., let's see....