I agree. What we need is a project team who are working to a clear set of style guidelines.
I would assume so. I can't think of any reason not to use American English.
I was going to aim for a PDF - we can use Scribus or something similar to produce the finished document. It would look more professional than Word and if we could grab some illustrations it would look even better.
Looking through them there seem to be two or three variants of the rules, various descriptions of different schools of sorcery and some general advice. We can work out a general order on the rules files by looking at the date of creation and assuming that any differences in later files supercede earlier drafts.
I was going to go for a rules, general spells, schools and specific spells approach with advice scattered through the text.
My personal goal was to produce a coherent manuscript that Trifletraxor could send to Mr Peterson for comment and hopefully approval.
I think we need a project coordinator, someone to do layout in a DTP programme and minions to sort the text into something coherent. I suspect that the three of us who have volunteered here would be about the right number, more than that and coordination could be a problem.