Staples has often written about intercultural communication. A pioneer in this field is Edward T. Hall. Here is a page with some information about Hall, a bibliography, and some related links.
Parallel Time: Growing Up in Black and White is the title of an autobiography by Staples. Read this essay on the memoir from Christianity Today. How does the author of the essay use Staples as an authority?
Here are some short reviews of Parallel Time from Kirkus Reviews, the Philadelphia Inquirer, the Chicago Tribune, and other sources.