Mars and Venus together forever : relationship skills for lasting love /
Gray, John,1951-
Gray, John,1951-What your mother couldn't tell you & your father didn't know.
London :  Vermilion,
1996.
Extended version originally published as: What your mother couldn't tell you & your father didn't know. New York : HarperCollins, 1994. London : Vermilion, 1995
Man-woman relationships.
Marriage counseling.