TAPA DURA, LIBRO USADO, RECUERDA QUE EL 10% DE ESTA VENTA COLABORA CON FUNDACIONES QUE FOMENTAN LA LECTURA EN ZONAS VULNERABLES. The national bestseller that has sold more than 450,000 copies and is the perfect companion to the author's nearly 3-million-copy bestseller Men Are from Mars, Women Are from Venus. By teaching readers relationship skills which were overlooked by parents, and which address the needs of contemporary individuals and couples, Dr. Gray offers practical ways to enjoy and celebrate the differences between men and women in peace and with passion.