Boyle is a white American writer from New York. How does his identity inform the characters and events of The Tortilla Curtain?

Compare Delaney and Kyra’s relationship to Cándido and América’s relationship. How are they different? Are there any similarities?

The Tortilla Curtain follows two parallel storylines. Does the novel show one side of the story in a more positive light? Are all the characters treated equally? If not, why not, and to what effect?