Originally Posted by chaley
Yes. Dwanthy was asking for a specific kind of sort - author by series (or series within author). My response pointed out that it would need to be author by series by title so that books with no series are in a reasonable order.
I knew that too, just didn't articulate it fully. After all my default sort tweak in calibre's GUI is (('authors', 0), ('series', 0), ('title', 0)).
So far I love the progress on this app.