[tselling]

Calibre can be made to use the tags to put books into a specific directory on your reader automatically. I use this as my Save to Disk template:
{tags}/{series} {series_index: >3s} {publisher} {title} - {authors}

My tags are things like "/Science Fiction", "/Fantasy", "/Suspense-Thriller", etc. I use the slash in front of my tags because Calibre used to require that to automatically make a directory and put books into it before the templates. I don't know if its necessary anymore.

I don't use publisher as an actual publisher. I use a "-" in it for titles in a series and just blank for books not in a series to get the format I want. I only use ONE tag per book... I am not sure you could make multiple tags per book work automatically.

So I get something like:

"/Suspense-Thriller/Odd Thomas 4 - Odd Hours - Dean Koontz.epub"
for a book in a series or

"/Suspense-Thriller/Terminal Freeze - Lincoln Child.epub"
for a book not in a series.

You can also setup a Send to Device template to do the same thing.