I don't know about other folks, but when I'm in writing mode, I find it very hard to get stuck into a good book. The same goes for when I'm reading. I find it almost impossible to focus on a WiP if I'm engrossed in someone else's novel.
It's probably one of those left brain/right brain things. Either that or I'm just not that bright, which is equally possible.
How about you?
Can you read AND write, or do you find it has to be one or the other?