If you would like to know more about the Search Engine Optimization, here are some books which will definitely help you.    
Let’s start with the book called “Search Engine Optimization on an Extreme Budget” by Ruperto Elpusan. It is the second edition of the book published in 2002. The book was long awaited and now updated. In the book you will find a very easy to read information on SEO on a limited budget.
A major feature in this book is a chapter: WMD (Weapon of Mass Destruction) in the SEO Wars. It is a detailed instruction on how to achieve link popularity and reputation to rank better within the search engines.
It is an approach that is based on the experience of an seo professional who worked in seo field since 90’s. It is possible for a small business to achieve the same amount of traffic, as well managed websites with budgets of thousands of dollars can. Ruperto Elpusan will share with you the strategy - quickly, to the point, with pieces of advice and warnings.

Another wonderful book is “Search Engine Optimization and Placement: An Internet Marketing Course for Webmasters” by Renee Kennedy. Don’t be mislead by the word “Webmasters”. In this book you will find the directions on how to promote your website, build a seo friendly website, submit to numerous online directories.You will also get acquainted with how do search engines work, how to find right keywords and key phrases, work with seo analytics ans analyze your own traffic.
The easy guidebook takes internet promotion to the next level. Included inside the book are worksheets that will help keep track of keywords, meta tags, where you’ve submitted your site, and more. Used in conjunction with the continually updated internet tutorial (search for links in the book), it is fantastic and easy to understand introduction to search engine optimization. After reading this book, you will be able to get to the optimization of your own website.

Let’s take a quick look at another book called “The Truth About Search Engine Optimization” by Rebecca Lieb. In this book, leading search optimization expert Rebecca Lieb brings together over fifty major facts and insights decision-makers must know to attract more traffic through better search engine placement. “The Truth About Search Engine Optimization” doesn’t deliver abstract theory: it delivers quick, practical information with explanations that every professional seo agency might be using, so can you, no matter what kind of website you want to optimize, or what your goals are. Readers will learn how to set realistic goals for seo, attract qualified traffic, implement search-friendly content management, use public relations, blogs, and other techniques to boost the traffic. This book is simple to read and use, it will guide you through every process you will will be working on to promote your website.