'Foundations of ASP.NET AJAX' (written by Laurence Moroney the author of Apress' successful Foundations of Atlas) gives you a detailed grounding in how ASP.NET AJAX works. It takes you swiftly through the basic principles of Ajax, then deep into the heart of the technology, where every namespace is discussed and every function considered. By the end of the book, you'll know all the essentials to confidently produce cutting-edge ASP.NET AJAX applications swiftly and professionally. You will not need any reference beyond this book.