I've heard rumors that certain book storylines will be present in this season. Most of the arcs are past the printed material, however.

With that said, since we're in uncharted territory here, I'm curious how people feel about speculation. There are a number of "fan" theories out there that range from the "yeah, this is definitely going to happen" to complete tin foil craziness.

I can spout a number of these off the top of my head but since there are clear deviances from the books not sure how many of the "definitely going to happen" theories will actually make it on screen.