These documents and screencasts provide guidance to help in your Java EE and GlassFish implementations.
Implementing SOA Using Java EE by B.V. Kumar, Prakash Narayan, and Tony Ng (Addison-Wesley Professional, 2010)
Beginning Java EE 6 Platform with GlassFish 3: From Novice to Professional by Antonio Goncalves (Apress, 2009)
Real World Java EE Patterns Rethinking Best Practices by Adam Bien (lulu.com, 2009)
Screencasts and Webinars
Java EE Training and Certification
Get comprehensive Java EE training and certification for enterprise developers and architects.