I'm impressed: a list of books that have been published for users of Oracle SOA and BPM portfolio products. I'm very proud to know many of the authors as friends and most of the developers.
Getting Started with Oracle SOA Suite 11g - A Hands on Tutorial
Oracle SOA 11g Handbook
Oracle SOA Suite 11g Developers Guide
The Definitive Guide to SOA Oracle Service Bus
WS-BPEL 2.0 for SOA Composite Applications with Oracle SOA Suite 11g
Getting Started with Oracle BPM Suite 11g - A Hands on Tutorial