brningpyre

Here's all the attributes of the song class: 'name', 'work', 'movement_number', 'movement_count', 'movement_name', 'track_id', 'artist', 'album_artist', 'composer', 'album', 'genre', 'kind', 'size', 'total_time', 'track_number', 'track_count', 'disc_number', 'disc_count', 'year', 'date_modified', 'date_added', 'bit_rate',...

I don't see one, unfortunately. I don't have any audiobooks on iTunes myself, so I'm not sure what the XML formatting would look like. You could probably hack it by...

Made a pull request for this: https://github.com/liamks/libpytunes/pull/71