Understanding the art of Search Engine Optimization is often summarized to sound very simple. In truth, it is a complicated science that requires somebody with logical and strategic thinking skills backed with some knowledge of coding.
But for those of you who have played around with the Internet a while and think they have a grasp on SEO, here are a few books that will only enhance your knowledge.
This book is written in a sophisticated manner, never talking down to the reader. The Art of SEO by Eric Enge, Rand Fishkin and some other professionals is a very well thought out step-by-step process in understanding SEO basics.
This book is much more SEO sophisticated and for advanced SEO consultants.
This book is for the layman who just wants his or her site optimized but can't afford to hire a consultant. This book was written for the novice and yet offers a lot of value for those who want to learn SEO.