Here is an example supported directory structure for Books
Terry Goodkind
<-- Author
-
Sword of Truth
<-- Series
- -
Vol 1 - 1994 - Wizards First Rule {Sam Tsoutsouvas}
<-- Title
- - -
Audio Track 1.mp3
- - -
Audio Track 2.mp3
- - -
Cover.jpg
- -
Vol 2 - 1995 - Stone of Tears
<-- Title
- - -
Audiobook.m4b
-
Heart of Black Ice - Sister of Darkness
<-- Title
- -
Audio File.m4a
Steven Levy
<-- Author
-
Hackers - Heroes of the Computer Revolution {Mike Chamberlain}
<-- Title
- -
Audio File.m4a
1945 - Animal Farm
<-- Title
-
Audiobook.mp3
Animal Farm.m4b
<-- Title** Audio files in the root of the folder will each be treated as books.