JOHN GRAY, Ph.D adalah penulis buku:- Men Are from Mars, Women Are from Venus- Mars and Venus Together Forever- Mars and Venus in the Bedroom- What Your Mother Couldn`t Tell You and Your Father Didn`t Know- Men, Women and Relationships- What You Fell, You Can HealIa telah memberikan seminar di berbagai kota besar selama dua puluh tahun. Ia sekarang tinggal di Northen California bersama istrinya, Bonnie, dan ketiga anak mereka. ...