Anne Berest: Anne Berest is a Parisian author and journalist. She also writes for television, cinema and theatre. She was midway through writing her third novel when Francoise Sagan's son, Denis Westhoff, asked her to write a book to mark the 60th anniversary of the publication of Bonjour Tristesse. Heather Lloyd: Heather Lloyd divides her time between Scotland and south-west France. She was previously Senior Lecturer in French at the University of Glasgow. She has recently re-translated and written notes for the new Penguin edition of Bonjour Tristesse.