Their names were really Anna-Rose and Anna-Felicitas; but they decided, as they sat huddled together in a corner of the second-class deck of the American liner St. Luke, and watched the dirty water of the Mersey slipping past and the Liverpool landing-stage disappearing into mist, and felt that it was comfortless and cold, and knew they hadn't got a father or a mother, and remembered that they were aliens, and realized that in front of them lay a...