1. Sorry I don't remember. But its in the guide.
3. Nothing that I know of.
4. You will open the door it goes too later. Actually you will come out through there later.
5. All the links on page 2 of the thread below about the guide work for me.
Otherwise if you can post your email or private message it to me, I will be happy to send you a copy. Sorry for not knowing all the answers, but its been a while since i played. Oh and make sure you are patched to atleast 1.17 or later.