Most of John Grisham's novels are legal thrillers and they have a consistent theme: his heroes are ordinary people who fight the powerful institutions of society -- and win.
In The Rainmaker the final chapter is called Winners and Losers. Who, ultimately, are the winners? Who are the losers?
For more information about the author, check out:
http://www.jgrisham.com/bio/
For an interview with John Grisham from the New York Times:
http://www.nytimes.com/2012/10/28/books/review/john-grisham-by-the-book.html?_r=0