The "Real World Java EE Patterns--Rethinking Best Practices" book participates in the "MatchBook" program: Print-edition purchases will allow you to get a kindle edition of "Real World Java EE Patterns" book for free.
See Amazon's MatchBook for details.
NEW workshop: Building HTML 5 Applications With Angular 2
Full week in December 2016: from Java EE 7 Bootstrap, Effective, Architectures over Testing to Microservices
On demand workshops: Java EE 7: Bootstrap, Effective, Testing and Microservices available for streaming.