Expanding your online marketing can definitely increase your chances of book sales plus create a online presence for you as a author. Target marketing is very important. Many authors find themselves joining author communities, however consider this. Most authors write and publish books and only purchase some selected writings.
The key to expanding your marketing is choosing your market.
If you are a Christian Author, you want to market your book to other Christians. If you wrote a book about cars, you want to marketing your book to car lovers. If you wrote a book about health, you want to market your book where people are into health.
While associating with other authors, sharing information and getting input from other authors is very helpful, that is not how a author wants to market his or her books and is not priority marketing target.
You must think author media site marketing and the language of book marketing.
Authors, get the online marketing you deserve at Author Media Blogs & Book Marketing