PRS-T2 Subfolders in collection

Hallo,
read through I'm perhaps all bed, but didn't draw the balance I'm to no reasonable result. I know that the here such like things already solved, but unfortunately.
Walks me about simple thing.
Shall I SONY PRS-T2 and I would like and collection in scanner was ranged subsequently:

Directory author / subdirectory series / individual books series ranged according to batch numberIs
Lutz, John / Frank Quinn / 01 abc.epub
/ Frank Quinn / 02 dse.epub
/ Night / 01 abc.epub
/ Night / 02 abc.epub
/ Night / 03 abc.epub
......



That a possible to? I shall be happy to behind any counsel. Thank you.