I have some time this summer to devote to bringing the Guidebook up to date with the current view of the game. I've already begun by going through the undocumented thread. You can help me out by posting inaccuracies, things that should be added, etc.
Here's one to get the ball rolling: How do multiple torches work? Extend LOS how? Additive? Two twice as far as one? Three 3X one?