As an interesting point, there is probably more to having a hit book than just 'bestseller'. Compare the number of reviews - I assume number of reviews correla

As an interesting point, there is probably more to having a hit book than just 'bestseller'. Compare the number of reviews - I assume number of reviews correlates well to number of sales. http://www.amazon.com/gp/product/1621050203 http://www.amazon.com/gp/product/1621050203 http://www.amazon.com/Fifty-Shades-Grey-Book-Trilogy/dp/0345803485/ref=zg_bs_books_9 http://www.amazon.com/Fifty-Shades-Grey-Book-Trilogy/dp/0345... 18,000 vs 21