Men Are from Mars, Women Are from Venus, The Classic Guide to Understanding the Opposite Sex, HarperCollins, John Gray,Gender studies, gender groups,Social groups, communities and identities, self help; interpersonal relationships; couples therapy; love languages; family relationships; gender issues; marriage counseling; coparenting; personal development; intimacy; communication styles; philosophy; health and wellbeing; relationship advice; sociology; sexuality; gender studies; motivation; social behavior; dating; personal growth,, , United States, en-UShttps://www.harpercollins.comself help; interpersonal relationships; couples therapy; love languages; family relationships; gender issues; marriage counseling; coparenting; personal development; intimacy; communication styles; philosophy; health and wellbeing; relationship advice; sociology; sexuality; gender studies; motivation; social behavior; dating; personal growth, [BLURB],[CITY],,books, ebooks, biblet, Book2look