We've got your back. With the Tough-O-Meter, you'll know whether to bring extra layers or Swiss army knives as you summit the literary mountain. (10 = Toughest)
(3) Base Camp
R.U.R. is short and snappy; the robots hop along without too much highfalutin language, and with an easy-to-follow plot. Some of the philosophical discussions and concepts are a little tricky, perhaps, so we wouldn't put it quite down there with children's literature at Sea Level. But it's not so hard you'll need an army of robots to help you, either.