I think the best description I've heard is from someone on the RPG.net forums:
"I'm really enjoying the Song of Ice and Fire novels, if 'enjoy' is the right word for a series that feels like the couple of seconds where the car is spinning out of control right before you plow into a tree."
"I'm really enjoying the Song of Ice and Fire novels, if 'enjoy' is the right word for a series that feels like the couple of seconds where the car is spinning out of control right before you plow into a tree."