This concise e-book by Jill Whalen details SEO copywriting basics, with plenty of concrete examples.
http://highrankings.com/seo-writing.htm
A broad range of copywriting articles address topics such as selecting keyphrases and hiring an SEO copywriter.
http://www.searchenginewriting.com/heather-articles.sHTML
Heather Lloyd-Martin is author of "Successful Search Engine Copywriting.” Her SuccessWorks website offers several free articles on internet copywriting.
