Sagan's stylish, shimmering and amoral tale of adolescence and betrayal on the French Riviera. Published when she was only eighteen, Fran oise Sagan's astonishing first novel Bonjour Tristesse became an instant bestseller. It tells the story of Cecile, who leads a carefree life with her widowed father and his young mistresses until, one hot summer on the Riviera, he decides to remarry - with devastating consequences. In A Certain Smile Dominique, a young woman bored with her lover, begins an encounter with an older man that unfolds in unexpected and troubling ways.