Written as an act of revenge against the 17 year-old who came between her and Jean-Paul Sartre, She Came to Stay is Simone de Beauvoir\047s first novel - a lacerating study of a young, naive couple in love and the usurping woman who comes between them. \047It is impossible to talk about faithfulness and unfaithfulness where we are oncerned. You and I are simply one. Neither of us can be described without the other.\047 It was unthinkable that Pierre and Francoise should ever tire of each other. And yet, both talented and restless, they constantly feel the need for new sensations, new people. Because of this they bring the young, beautiful and irresponsible Xaviere into their life who, determined to take Pierre for herself, drives a wedge between them, with unforeseeable, disastrous consequences...