Best-selling story will have a hero or heroine who is both strong . . . and damaged . . .
J.K.Rowling, John Grisham, Karen Kingsbury, Tom Clancy, Jane Austen, C. S. Lewis, J. R. R. Tolkein, Robert Ludlum: all best-selling authors, from different genres, markets, even eras. How? What sets their stories apart from others that make them a must-buy for readers?