I've now got a scan of the handbook, which Brandon bravely risked the wrath of his wife to do for me - she was waiting for her dinner and was none too pleased at him scanning it, but it's always nice to know that a little suffering has gone into these things. Here are the title page, the apologia, and my favourite part so far,
RULE 1, where we are warned that the Mystic Cross will lose rotation after a
"night of perverted sexual indulgence" - so all you perverts out there (you know who you are) can forget about experiencing the etheric vortex.
Click on the small images below to go to the full-size ones;