Writing a novel about real people has an unexpected benefit: the characters may have living, breathing relatives you can actually meet. Anna Bahlmann — Edith Wharton’s governess, then secretary — was one of the two main characters in my novel, “The Age of Desire”. This week, I had the great pleasure of hosting her great grandniece, Laura Shoffner. Laura is the woman who discovered over 100 letters from Edith to Anna and brought them to Christie's for auction in 2009...















