Free Art Business Books & Publications
Information maybe free, but education is priceless!
If any of the books stands out as a most helpful resource it would be the publications "What's My Plan?" from the Australia Council for the Arts and "The Code of Practice" from NAVA.
If you run out of marketing ideas get the 130 Tips To Kickstart Your Marketing. If you are not sure if you fall under the category hobby or business, take the quiz!