If you go to the Lionhead website there's an article saying that there are to be more novels and some short stories similar to Blood ties and Order of the Balverines, there will be 2 shorts the first FABLE: At the edge of the world - by Christie Golden and will apparently bridge the events for fabale 3 and the journey. Additionally there will be 3 electronic short stories by Peter David,( writter of the first 2 Novels) due to be release around the same time as Fable Heroes:
FABLE: REAVER - May 2012
FABLE: JACK OF BLADES - May 2012
FABLE: THERESA - June 2012
Link http://lionhead.com/new-fable-series-of-novels-digital-shorts/Just for those who are interested.