Hi eric, make sure not to get the Java book - even though they sound similar Java and JavaScript are totally different systems.

Max's node system is not on the MoI home page, it's on a forum thread here:
http://moi3d.com/forum/index.php?webtag=MOI&msg=7713.1

And I think the most recent release of it is this one here:
http://moi3d.com/forum/index.php?webtag=MOI&msg=7713.76

- Michael