Google's SEO Starter Guide

Google have released an updated version of their SEO starter guide.  The biggest change to the guide is the inclusion of a section titled "SEO for Mobile Phones".

The main chapter headings are SEO Basics, Improving Site Structure, Optimizing Content, SEO for Mobile Phones and Promotions and Analysis.

Each page is referenced with links to a variety of interesting resources such as Cloaking, Tips on hiring an SEO and 301 Redirects.