SEO for Dummies also covers what not to do if you want to improve your search engine results, which is important since accidentally doing the wrong thing can harm your reputation and your website’s placement in search results.
The book is full of examples that are easy to understand.  Providing value by revealing how real life businesses have gone from startup to profit. Guillebeau has done insane research for the book, interviewing over 1,000 budding entrepreneurs, and the value of that research certainly shows.