For the same reason that I have been using a scheme like:
Code:
Comic Name Here__--__v001__c001__p001.ext
(the underscores are spaces). It helps to organize the display and to create a columnar listing of info when looking at a file directory. Missing or incorrect naming or numbering issues become obvious.
I've recently taken a look at ComicRack and ComicTagger, considering the possibility of adding new fields and/or tagging schemes to account for serial publications. The only problem I see with both those programs is that they're focused on Series Name which doesn't always work with books because book series can be nested in each other. I do like how they're differentiating between Series and Story names though.
On the other hand, I've noticed that calibre is reliant on book titles, not story titles, which makes dealing with omnibus, anthologies, magazines and other multiple story publications a bit awkward to deal with. Requiring either the publication be exploded (separate entries in the database) or including a ToC in the comments field. Neither option being particularly graceful.