Lack of Books on CATIA

http://neo3.sba.com/forums/Thread.cfm?CFApp=57&Thread_ID=25357&mc=14
Actually, there are several recommended here!

Fastest Way to Create a SPRING

http://neo3.sba.com/forums/Thread.cfm?CFApp=57&Thread_ID=18043&mc=9
Suggestions for both V4 and V5 techniques.

Assembly Feature Visibility in Parts

http://neo3.sba.com/forums/Thread.cfm?CFApp=57&Thread_ID=24966&mc=9
Interesting workaround methodology suggested here.

Using CATIA Data to Guide cmm Inspection

http://neo3.sba.com/forums/Thread.cfm?CFApp=57

How to Pass Command Line Arguments to CATScript Macro

http://neo3.sba.com/forums/Thread.cfm?CFApp=57
He makes it sound easy!