One of the themes you may want to consider discussing is the impact of war on families. The story revolves around a Polish family, which feels the impacts of World War II. For instance, the author reveals how the father of the main characters goes to a prison camp against his wishes, while their mother involuntarily ends up in Germany and works against her will, for fear of being punished. Because of these happenings, the children are deserted and experience harsh living conditions as they struggle to fend for themselves. The eldest of the children, a teenaged girl, is forced to take up the role of mother and to care for one of her sick siblings. The children have no home, as it was destroyed by Nazis, and, therefore, they live on the streets.