A novel set in the Fable universe will be coming October 5th. The book, titled Fable: The Balverine Order, is written by Peter David who has a resume that includes the Halo: Helljumper series as well as a ton of comics and fiction novels. Amazon has some info about the story:
The days of magic and adventure are fading away, giving way to the age of industry and science. As the aged last Hero sits upon the throne of Albion, two friends-the privileged Thomas and his loyal servant, John- set out for the East in search of a legendary beast: the vicious, rarely-seen balverine. But their desire for adventure may be their ultimate undoing-because their quarry has just found them…
The book will come with a code that can be redeemed for an unannounced weapon in Fable 3. What do you think the weapon will be?