Sorting Complete Audiobooks, Not Tracks

I have an iTunes sorting question but it is not about ordering tracks within an audiobook but about the ordering of complete audiobooks in the Books > Audiobooks view.

For several authors I have many audiobooks and what I want to do is have the audiobooks library sorted first by author and then have them ordered chronologically within the author. I have been using Get Info and trying to enter information in the various fields to make this happen but can't figure out how iTunes does the sorting.

It is very confusing to me and I cannot find anyplace that it is explained.

I'm using iTunes 11.11 and OS X 10.8.5.