However, there's much more to it than simple page count or range of topics. The quality of the content is very high. The writing is clear, with good technical content matched by a conversational tone that hits just the right note. The book is a pleasure to read. Furthermore, the content does not stick to simple expositions of this technology or that, it's much more about how the Ajax combination of technologies leads to a sea-change in development without dropping core skills or processes.
The first part of the book introduces Ajax and explains what it is and why it exists at all. It discusses the limitations of the classic web application, talks about the problems of round-tripping between the browser and the back-end database and shows how asynchronous communication between browser and datastore can change things radically. [Continued]