SCARS ON THE SOUL
by FRANÇOISE SAGAN
141 pages. McGraw-Hill. $6.95.
When Bonjour Tristesse appeared in 1954, Françoise Sagan became a 19-year-old member of le tout Paris and an instant international celebrity. The world soon learned that she drank a lot of Scotch, loved to play chemin defer and drive Jaguars in her bare feet. The characters in her subsequent books, among them such bestsellers as Aimez-Vous Brahms? and A Certain Smile, tended to be beautiful, languid, bent on self-destruction. They were often driven by pangs of ennui, whose meaning in French implies more cosmic...