How to Write Alternate History includes over a dozen articles from Grey Wolf, covering many aspects of the genre, and how to craft them in your own writing.
What would happen to the development of popular music in an ATL (Alternate Time Line) where major events in the past have not come to be?
If different regions had been conquered or settled by different people, what would this have meant for emigration and patterns of the growth of population.
If different dynastic marriages had occurred, what might this have meant for the growth of nation states in Europe? An examination is also offered of dynastic marriages that ALMOST happened.
If you plan on writing in the Alternate History genre, take a look at these articles and let everyone know what you think of them.