World of Darkness: The Bygone Bestiary
See the world through the eyes of a dragon in this crossover book of
mythical beasts -- creatures that are still very much alive! This
essential tome includes descriptions, folklore, roleplaying hints and
systems for dozens of monsters, plus character creation rules
and Storyteller hints.
According to an AOL chat: "Bygone Beastiary will include info on
using Bygones in Vampire: The Dark Ages and in Changeling."