Hi, my name is George and I am new on this Forum thus I am using Archicad for about six years.
I am wondering if someone can help me with some references from were I can learn GDL scripting.
Please take into account that I took a look over the GDL Cookbook, Introduction to Object Making and GDL Reference Guide and I am wondering if there are some more similar Books, Articles, Video Tutorials and other.
The 3 you quote are the best free resources I know of.
There is another I know of from Cadimage - GDL Handbook.
I see it is now in it's 2nd release and now has a PDF version.
It is not free however and I think is more of an advanced GDL book.