Far more troubling, however, are the technical inaccuracies this book contains. A sample:

1) The authors state that an 800 by 600 monitor displays this many pixels per square inch. Not true: 800 by 600 pixels refers to the size of the entire screen.
2) HTML is repeatedly described as a programming language -- it is more accurately described as a markup language.
3) XML is defined as "a new language for creating vector graphics for use on web sites, cell phones, and PDAs." This definition confuses XML with SVG, a language that allows scalable vector graphics to be described using XML. It is not an accurate definition of XML itself.

This book is geared toward professional writers, not technical experts. In this context, simplified explanations of technical concepts would be understandable. There is no excuse, however, for technically inaccurate explanations.

I purchased and read this book because a professor required it; I plan to recommend that he no longer use it as a textbook.