EverydayXPath is an ebook that covers XPath, a query language for selecting nodes from XML and HTML documents. When working with HTML/XML documents, invariably we would need to manipulate nodes or extract information. That is where XPath shines. XPath allows you to do that in a succinct way. Adding XPath to your toolbox is a worthwhile investment.
The ebook is written for the working developer in mind. It contains explanations for every function and operator, accompanied by examples. Each chapter includes a table of quick reference. The final chapter walks you through 18 common problems and shows you how to solve them.