http://bbguida.netsons.org/eng/index.php?title=Main_Page
It's by no means finished/polished, but I was asked to work on it a while back and didn't really have the time to finish it all. Perhaps it could be better if it was publicised a bit more and more people contributed to it. There is also an Italian version, which I believe is the original, and the English one was a spin-off.