Scouring the web for as much information as I can possibly consume, I came across this free online book. Zend Framework: Surviving The Deep End is comprised of ten chapters with three appendices from introducing Zend Framework to installing Zend Framework to developing a blog application with Zend Framework. You can find a full book index on the website.
Techotopia offers free online books that cover a number of subjects including programming languages, security, and Linux. The books are hosted on their wiki and are available to read online. The four main books that brought me to this site are: PHP Essentials MySQL Essentials
FreeTechBooks.com is a website dedicated to programming books, textbooks, and notes. The content is 100% free and 100% legal. There are hundreds of books spread out among seven main categories with many subcategories within each main category. The seven main categories are Computer Science Books,