Techie Mania has an interesting list of what it judges to be the top 100 SEO books. WSO Secrets came in at #20 on the list, even though 1/2 of the book is devoted to SEO, the other half is devoted to performance. Google has made speed a ranking factor in SEO rankings, so the two areas are now interrelated.
WSO Secrets Tags: top search engine optimization books
Website Optimization Voted Best 14 Books of 2009
Our book was voted one of the best SEO books of 2009 by the Online Marketing Blog.