Many writers do not realize that it does not matter whether they publish with a major publisher or self publish, they are responsible for a large percentage of the marketing effort. If they do not have a sound author platform and do not spend some time each day promoting their book and building name and brand recognition, their sales will likely suffer.
The great showman, Phineas Taylor (P.T.) Barnum, summed this concept up when he said:
For ideas and strategies on how to market and brand yourself and your book(s), get a copy of Make Money Writing Books: Proven Profit Making Strategies for Authors.