EL James's controversial erotic fiction trilogy Fifty Shades of Grey has entered the all-time top-selling books list with a total worldwide sale of 100 million copies. At the peak of its popularity, one book was being sold every second somewhere in the world. The fastest selling book series in the history of publisher Random House, fifty Shades, often dubbed "mummy porn", sold 27 million copies in the UK and Commonwealth countries, over 45 million copies in the US. - http://www.ibtimes.co.uk/50-shades-grey-joins-top-10-bestselling-books-how-many-have-you-read-1438234