I am not thrilled with either choice, but between reading Ethan Frome again and once more attempting to read I, Robot, I have to go with Ethan Frome. Nothing to do with whether or not Cloud Atlas was or was not a SciFi/Fantasy novel. It's just my previous attempt to read I, Robot, oh it must be at least 15 years ago, I found what I read of it so dated and silly that I never could finish it. The stories therein were first published as a collection in 1950. Science Fiction does not age well. O.K, so it does have something to do with I,Robot being SciFi/Fantasy.