Aaron Wall’s popular SEO Book is well known online, with sound advice, and advertisements for it everywhere, but it hasn’t been updated since November 2006. That changed today with an update that has improved the usefulness of the guide in todays market.

Topical updates include:

Google PageRank

Google Supplemental Results

Google Filtering & Google Search Result Re-ranking

Ranking Search Results by Re-ranking the Results Based on Local Inter-Connectivity

Human Review & Query Deserves Freshness

Universal & Personalized Search

Google Webmaster Central

Google AdSense/AdWords

Google Data Factoids

Yahoo!/Microsoft Search Changes

Search Analytics

Nofollow & Internal Site Architecture

Robots.txt & Meta Robots Directives

Eye Tracking of Search Results

Noteworthy PPC Changes at Smaller Portals

Blogging

Link Building Tips: Using PPC to Drive Links

New SEO Tools

Additional Reading Resources

So if you haven’t spent the money to buy Aaron Wall’s SEO Book, now is the time. The best $79 you can spend if you want to really dive into understanding search engines, and growing your blog or website.