Where Do You Start an Introduction to the NT?

One of the hardest parts of writing an Introduction to the New Testament is figuring out where to begin. If someone were writing a literary introduction, or even a theological one, it might make best sense to begin at the beginning, with the Gospel of Matthew, and then continue through the New Testament all the way to the book of Revelation. But what if one is writing an Introduction from a *historical* perspective? Matthew wasn’t the first Gospel to be written; Mark was. So doesn’t it make b...