- More than 50% new and revised material - Four new chapters and one new appendix covering the latest features of the new release - Basic and advanced concepts (such as inheritance, relationships, and so on) of Java Persistence API defined entities - Information on integrating EJB applications with the outside world via the Java EE Connector technology - Tips and techniques for designing and deploying EJB for better performance - Best practices for EJB 3.0 application design, development and testing - Complete usage of EJB annotations along with equivalent XML configuration - Tricks and traps of EJB deployment - JBoss Workbook that discusses the exercises for each chapter (although the chapters are themselves vendor-agnostic)