The book is written in an informal tone with clear, step-by-step guides through the major tasks in the book. This book is aimed at web designers and web developers who are not familiar with Magento at all, and at Magento designers and developers who are more familiar with Magento 1.3 than Magento 1.4. The book assumes knowledge of HTML and CSS and an awareness, but not in-depth knowledge of, PHP syntax.