This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Hmmm... you're right, for some reason they don't have the full Java3D API Docs online. However, the JavaDocs for all the Java3D classes are in the documentation you can download from this page. It's the choices in the second combobox entitled "Implementation Documentation".
Write once, run anywhere, because there's nowhere to hide! - /. A.C.