During the last year I listened to all 5 books of "Games of Thrones". Since my English listening skills aren't perfect I put text of chapters in "Notes for File" for corresponding MP3s so I could peep into text when I can't comprehend speech. I also listen some phrases two .. thr...
That is a popular request but it requires a lot of efforts from me, so I don't know when this will be added. Right now I recomend you to select more simple audiobooks. To study English there are abridged books series: "Oxford Bookworms", "Penguin Readers", "Cambridge Readers...