Men Are from Mars, Women Are from Venus (1992[1]) is a book written by American author and relationship counselor John Gray. The book has sold more than 50 million copies and, according to CNN, it was the "highest ranked work of non-fiction" of the 1990s,[2] spending 121 weeks on the bestseller list. The book and its central metaphor have become a part of popular culture and the foundation for the author's subsequent books, recordings, seminars, theme vacations, one-man Broadway show, TV sitcom, workout videos, a podcast, men's and ladies' apparel lines, fragrances, travel guides and his-and-hers salad dressings.