The surprisingly successful book Real World Java EE Patterns—Rethinking Best Practices [press.adam-bien.com] discusses the rethinking of legacy J2EE patterns. Now, Real World Java EE Night Hacks walks you through the Java EE 6 best practices and patterns used to create a real world application called “x-ray.” X-ray is a high-performance blog statistics application built with nothing but vanilla Java EE 6 leveraging the synergies between the JAX-RS, EJB 3.1, JPA 2, and CDI 1.0 APIs. Foreword by James Gosling, Father of Java
Puts into practice the design from his first book. Better written than the first. Also contains enough new tips and techniques to be worth it on it's own. However the format requires sitting down and working through, it's not really a reference book like his first one was.