An early cover design was a photo told Amy about her is that she???s Peruvian. of a street in Buenos Aires where you might What Amy must have pictured is a woman think the slanting sunlight was coming from across a vast cultural chasm: in a wooly cap a UFO. So I went with a human couple dancwith ear flaps, maybe, wearing dozens of ing tango to make it clear this is not science fiction. petticoats,