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Bestselling Book Series of All Time: ‘Narnia’ to ‘50 Shades’ (PHOTOS)
50 Million Shades
The ‘Fifty Shades’ trilogy just topped 10 million copies sold in the U.S. See how it compares with the most popular book series ever.
The ‘Fifty Shades’ trilogy just topped 10 million copies sold in the U.S. See how it compares with the most popular book series ever.