What's Happening Between the Old Testament and the New Testament?

Many a christians, and many people who are interested in the christmas story, often miss the inter testamental period as a fertile ground for imagination. Many things have happened that have a direct influence about questions of what is a messiaha. And so i think it's really important to to look at this and evaluatead. It's not to ad ofa be ebenezer scrooge, but it is to bring us into a more appropriate kind of a way of thinking about and even visualizing what was going on.