Digging into WordPress v3.4
Sale Page: http://digwp.com/book/
Product Price: $27
Written by WordPress veterans Chris Coyier and Jeff Starr, Digging into WordPress is 400+ jam-packed pages of everything you need to get the most out of WordPress. WordPress is great right out of the box, but unless you want an ordinary vanilla blog, it is essential to understand the full potential of WordPress and have the right tools to get the job done.
In clear, easy-to-read language, Digging into WordPress shows you how to tap WordPress’ potential and take your site to the next level. From setup and configuration and customization to syndication, security and optimization, Digging into WordPress gives you everything you need to maximize the success of your site.
Written with the perfect balance of theory, explanation and code, each chapter focuses on teaching you how to improve your site using many different techniques, tips, and tricks. Each technique is fully self-contained, providing complete instructions and clear explanations to make implementation a breeze.