Oh, and as for the rest of the book, it is very beginner-friendly. The book is more geared towards JBossAS configuration than app development. But most chapters walk you through a simple app before we get into the details of configuring the app. So, for example, someone who wants to get into messaging could use the messaging chapter to learn how to write a simple messaging app. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4184553#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...