John Gray Mars Venus PRO

Mill Valley, California

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John Gray, Ph.D. is the leading relationship expert in the world. John helps men and women understand and appreciate their differences in relationships. He offers easy ways to manage your stress and improve your relationships.

John is the best-selling relationship author of all time. His books have sold 50 million copies around the world and been translated in 50 different languages. His book Men Are from Mars, Women Are from Venus, was the New York Times number one best-selling book of the 1990s.

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