I am not sure what part of the country you are in but I found the SBA (small business administration) to be a very useful starting place. They can help you come up with a business plan, which is the best place to start also it`s free. http://www.sba.gov/
I read an excellent book about small business blogging called `Blog Wild`. Can`t for the life of me remember the author (Library book) It`s basicaly blogging for dummies. Plus the libray usually has loads of info on business stuff. Anything you could want.
Seven guides to the passion and practicality necessary for any new venture.