You are about to be

You are about to be put into a time machine and sent back 1,100 years, never to return. You must make your way in a hostile, alien environment, armed only with your wits and three books. You can choose any books you like -- as long as you've actually read them sometime in the last five years. What three books do you take?
Great question, BoyCaught. My choices:
randomWalks @randomWalks