Rad said:
as a gm; force the plyers to buy their own, and read them. consider buying
those belonging to any major enemies, but you may get more mileage out of
making stuff up.

I´ll agree. Actually we are playing in an invented realm between Broseange
and Thaegash (well in the map its marked as being water.
Eindel is a glorious place where everything is invented. I´ll think making
up the stuff by youserlf make it more living, more dinamic.