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John Gray, PhD

Best-Selling Author

John Gray is the leading relationship expert in the world. His relationship and health books have sold over 50 million copies in 50 different languages. His groundbreaking book, Men Are from Mars, Women Are from Venus, is the best-selling non-fiction book of all time. John helps men and women better understand and respect their differences in both personal and professional relationships. His approach combines specific communication techniques with healthy, nutritional choices that create the brain and body chemistry for lasting health,...