I have had a couple of emails about some background reading on running forums for beginners. I suggest everyone starts out with Patrick O’Keefe’s Managing Online Communities.
You can browse our Table of Content’s for information.
For a free read on search engine optimization (SEO), start with Google’s own Guide to SEO. There are also a couple of SEO eBooks that are cheap that carry some good information. For a more complete guide to SEO, you can not go past The Art of SEO.
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There is also plenty of information on a number of Forum Admin communities.
If you really serious then join SEOmoz Pro (I am a member).