Used book - Secret Liaison; The Paths of Passion, Leanne Banks, Anne Oliver, Florence Moreau

Secret Affair: Ever since she met the charming Alex Megalos, Mallory James has been captivated. Despite his reputation as a playboy, he treats her like a gentleman and showers her with delicate attentions. So much so that, conquered, she eventually succumbs to the irresistible attraction she feels for him. Swept up in the whirlwind of a passionate and secret affair, she forgets all caution, only to discover, horrified, that Alex used her to gain favor with her industrialist father... Paths of Passion: When, upon her mother's death, Anneliese Duffield discovers that she is an adopted child and has a biological sister living on the other side of the country, she decides to go in search of her. But as she is about to set off, Steve Anderson, her best friend's brother, offers to accompany her: no way, he says, is she to undertake such a long journey alone. Faced with his insistence, she eventually gives in. Little does she suspect that the man she has always considered an overly protective friend is in fact a formidable seducer...