btw - to correct something said
My understanding is that the Tremere Vampire thing preceded White Wolf by some time - I believe it was the two games drawing from common sources
V.
I've heard excellent things about the Medieval Player's Manual, but finding it is the real trick. Legacy products are in pretty short supply, especially for those without internet access.
You do seem to have internet accesss 
If you are finding it hard to find, but want to purchase it, you can consider buying the pdf.
I never read it, myself.
Yair