In Letters to a Stranger (1956), Maurois reflects on the behavior and mores of people, the relationship between men and women, tricks of seduction, on why marriages turn out to be happy, why divorces happen and feelings fade. The author addresses his letters to a woman, but who she is remains a mystery to the reader. Accidentally seen a female silhouette in the theater parterre, flashed somewhere in the hustle of the day, a beautiful lady - so appeared in the imagination of Mauroa the Stranger, whom the writer teaches, teaches life, slightly educates Very much these letters can teach us, readers of the XXI century they will be useful not only to women seeking support in this life, but also to men who so often do not understand the logic of behavior and psychology of the fair sex.