TAPA DURA , LIBRO USADO, RECUERDA QUE EL 10% DE ESTA VENTA COLABORA CON FUNDACIONES QUE FOMENTAN LA LECTURA EN ZONAS VULNERABLES. With his #1 New York Times bestseller Men Are from Mars, Women Are from Venus, John Gray, Ph.D. helped millions of couples develop loving, nurturing relationships. Now Gray examines the place in a relationship where communication is most needed and most often lacking: the bedroom. Read it with your partner and launch your love life into orbit!