Tatiana De Rosnay is a French author and journalist. She is best known for her novel Sarah's Key, which was an international bestseller and adapted into a major motion picture. De Rosnay was born in Paris and studied English literature at the Sorbonne. She began her career as a journalist for Elle magazine and has since written several novels, including A Secret Kept and The House I Loved. De Rosnay has won numerous awards for her writing, including the Prix des Lecteurs and the Prix des Libraires. She currently lives in Paris with her husband and two children.