Find an article about the background of the book you chose. You can search the country, time period, event, issue, or person. You can search the databases separately, or together. You need an ID&PW to use these sources from home.
Here's the link to Noodle Tools.
Don't forget, the library has several copies of the MLA Handbook for Writers of Research Papers, 8th ed. There are MLA handouts on the counter, and you can all use Noodle Tools.