Najmah, a young Afghan girl whose name means "star," suddenly finds herself alone when her father and older brother are conscripted by the Taliban and her mother and newborn brother are killed in an air raid. An American woman, Elaine, whose Islamic name is Nusrat, is also on her own. She waits out the war in Peshawar, Pakistan, teaching refugee children under the persimmon tree in her garden while her Afghan doctor husband runs a clinic in Mazar-i-Sharif,...