This is the best book on that: http://sivers.org/book/EMythRevisited http://sivers.org/book/EMythRevisited Then this: http://sivers.org/book/UltimateSalesMachi

This is the best book on that: http://sivers.org/book/EMythRevisited http://sivers.org/book/EMythRevisited Then this: http://sivers.org/book/UltimateSalesMachine http://sivers.org/book/UltimateSalesMachine