No, I don't. My work requires a lot of professional reading, and my personal reading tastes run toward heavier non-fiction (Alan Greenspan's Age of Turbulence and Jared Diamond's Guns, Germs, and Steel and Collapse are recent examples.) Those don't really fit in to the more laid-back hiking trips I prefer. I actually don't mind spending an hour or two sitting on the bank of a creek watching the water, or just sitting in camp sipping water and eating trail mix while the world gets dark around me.

Sometimes, though, I'll take along a map of the next trip I want to take, and start doing some planning.