I had always been impressed with Danny Dover's insight from his days at SEOmoz and this book doesn't disappoint.
It's well written, provides a comprehensive guide to the nuts and bolts of seo and offers many useful hints and tips.
In particular he deals with the more technical aspects of seo in a matter of fact and easy to understand way.
I bought the book to read whilst on holiday on my laptop but despite devouring it from cover to cover I still find myself dipping into it even now to remind myself of some juicy piece of seo wisdom.
I would recommend this book without hesitation to anyone who is serious about learning the craft of seo.