I’ve found this book by Francis & Joseph Gies to be particularly useful in my research. It gives a fairly detailed look at life in medieval towns and cities, detailed descriptions of medieval trades, and a good explanation of medieval economics. I’d highly recommend it for world building...
Thanks for all the responses. After doing a bit more brainstorming, I'm leaning towards a ditheistic religion. The world is created by twin gods. God A created man. Man was thankful for the gift of life and worshiped the one god but neglected God B. God B became jealous. He offered man his magic...
My world is based heavily on Medieval Europe. The political, economic, and social organization of society are those of the mid 1400s. I'm stuck on building my dominant religion. I want to incorporate the institutions of the Medieval Church (monastic orders, bishoprics, parish priests etc.)...
I'm relatively to writing. I've written a couple of screen plays. I read a lot of fantasy an history. I'm currently a novel in a country based heavily on late Medieval England.