MOST XML BOOKS in the market today fall into two main categories: They either focus just on the theoretical aspects of the language, or they contain everything related to XML and weigh more than five kilograms When we first taught XML to beginners, we wanted to find a book that covered just enough ofXML without overwhelming them. We looked for a book that covered not just the fundamen- tals ofXML, but one that also contained the most importantXML-related technologies. Not only that, the book had to illustrate some of the practical uses ofXML in the real world. We.realized that we had to...