Google has released a document in pdf format dated 13 November 2008 as guide to search engine optimization. I have gone through the whole document and found it is a good source of learning for new webmasters or students who are entering into the field of SEO
I met many SEO Students or SEO Trainee who usually complaint for proper book or guidance notes on this subject. I will advice them to go through this document and learn about SEO
Although this guide won’t tell you any secrets that’ll automatically rank your site first
for queries in Google (sorry!), following the best practices outlined below will make it easier for search engines to both crawl and index your content.