The Oracle JDeveloper 10g Handbook was a book I co-authored in 2004 with my now-colleague Peter Koletzke and Dr. Paul Dorsey. The book was primarily written against Oracle JDeveloper Release 10.1.2, although it should be pretty useful with JDeveloper 9.0.5 as well.
While some features of 10.1.2 carry over to later releases, this is not the book I’d recommend for anyone using JDeveloper 10.1.3 or 11g. If you’re using JDeveloper release 10.1.3, I would suggest looking at Oracle JDeveloper 10g for Forms & PL/SQL Developers: A Guide to Web Development with Oracle ADF, by Duncan Mills and my colleague Peter Koletzke. If you’re using the current release of JDeveloper (11g), I’d suggest the Oracle JDeveloper 11g Handbook: A Guide to Oracle Fusion Web Development.
As a warning: Please be aware that I’m no longer updating this section regularly. This is a 5-year-old book, after all, written about an earlier release of JDeveloper.