Ok im new in Birthright and what should i read/do to prepare myself for PbEM as player or DM role in local games. Add to my list.

1) Read core 3.5 rules from download section.
2) Read something about one of regions/worlds (I can tell that there are at least two of them Anuire and something called Bay)
2) Print maps and some game sheets like domain or province.
4+) ...