Carolina Maria de Jesus' book, Quarto de Despejo (The Trash Room), depicted the harsh life of the slums, but it also spoke of the author's pride in her blackness, her high moral standards, and her patriotism. More than a million copies of her diary are believed to have been sold worldwide. Yet many Brazilians refused to believe that someone like de Jesus could have written such a diary, with its complicated words (some of them misused) and often...