How Do You Choose Which Books to Take With You?

How do you choose which books to take on vacation? That's always the hard thing. I think sometimes also the right book chooses you and where you are could be physical, you know, if you're traveling around in the world or just where you are in your life at that moment in time too. There have been times where, oh, there's been a couple where I tried to read some sort of some book and I just couldn't do it for whatever reason.