Harvey Diamond, author of Fit for Life, which has sold 14 million copies in 33 languages and read in over 80 countries. Fit for Life held the #1 position on the prestigious New Yor...view moreHarvey Diamond, author of Fit for Life, which has sold 14 million copies in 33 languages and read in over 80 countries. Fit for Life held the #1 position on the prestigious New York Times Bestseller list for an unprecedented 40 consecutive weeks. It was the fastest selling book of its kind in history.view less