Looking for a resources that might assist in getting a freelance or stock photography business up and running? I've provided a few books that might be of interest. A couple of these publications have been out on the market for awhile, but you should find the information helpful.
Tad Crawford has published several books which can assist you in starting up your photography business started.
Rohn Engh is well known when it comes to stock photography. Along with several books, he provides a website and newsletter that can assist you in the world of stock photography.
Want to find out who's buying images? The Photographer's Market normally updated yearly and will provide you with companies and contacts and requirements. Good resource if you do not plan to use a data service like ADBASE.
Elyse Weissberg's Self-Promotion book covers everything from how to identify your market, to creating a portfolio.
Hope you find these resources helpful.