Don't forget to stop by our SEO forums if you have questions. If you're interested in developing an SEO campaign for your organization, you may want to apply for one of our free one-on-one telephone consultation sessions.

Other web resources for SEO include:

Keyword Research

YSM Keyword Inventory Tool – http://inventory.overture.com
Keyword Discovery – http://www.keyworddiscovery.com
Wordtracker – http://www.wordtracker.com
Google Traffic Estimator - https://adwords.google.com/select/TrafficEstimatorSandbox

SEO Tools

Marketleap Link Popularity Check - http://www.marketleap.com/publinkpop/
Back Link Analyzer - http://tools.seobook.com/backlink-analyzer/
SEO for Firefox extension - http://tools.seobook.com/firefox/seo-for-firefox.html
XML Sitemap Generator - http://www.xml-sitemaps.com/
Directory of SEO Tools - http://www.seocompany.ca/tool/seo-tools.html

Books

SEObook.com – http://www.seobook.com/buy-now.shtml
Search Engine Optimization for Dummies – http://www.amazon.com/Search-Engine-Optimization-Dummies-Peter/dp/0764567586
Search Engine Marketing Kit from SitePoint - http://www.sitepoint.com/books/sem1/

Other SEO Forums

Webmaster World – http://www.webmasterworld.com
DigitalPoint – http://forums.digitalpoint.com
HighRankings Forum – http://www.highrankings.com/forum/
Search Engine Watch – http://forums.searchenginewatch.com
SEO Chat – http://forums.sochat.com

Blogs of Interest

Official Google Blog - http://googleblog.blogspot.com/
Yahoo Search Blog - http://www.ysearchblog.com/
Live Search (MSN) Weblog - http://blogs.msdn.com/livesearch/
Search Engine Watch Blog - http://blog.searchenginewatch.com/blog/
Search Engine Roundtable – http://www.seroundtable.com