E L James's Fifty Shades of Grey trilogy (Arrow Books) has now sold 100m copies across all formats worldwide, according to the publisher.
Cornerstone imprint Arrow Books has announced sales of more than 27m copies of the series in the UK and Commonwealth countries, making it the fastest selling book series in the history of Random House.
In the UK, Nielsen BookScan has recorded physical sales of 10.9m copies, to a total value of £48.8m. The vast majority of those sales (10.7m units) were in 2012, generating £47.3m.
The series is published in the US by Vintage Books, an imprint of Random House, where the publisher said it had now sold more than 45m copies in both print and e-book. The first book in the trilogy, Fifty Shades of Grey, has also now spent 100 weeks on the New York Times bestseller list.
Anne Messitte, publisher of Vintage/Anchor Books in the US, said: “The Fifty Shades trilogy struck a chord around the world that continues to resonate. We see new readers coming to the books every day, and the sales, two years after our initial publication, remain strong and steady.”
First published as an e-book in May 2011, Fifty Shades of Grey follows the relationship of 27-year-old billionaire Christian Grey and college student Anastasia Steele, with subsequent novels exploring the couple’s relationship.
Vintage Books released the titles as paperbacks in in April 2012. The trilogy has been translated into 51 different languages, and sold a million copies in Germany, France, Spain, Brazil and the Netherlands.
The film "Fifty Shades of Grey", starring Jamie Dornan as Christian Grey and Dakota Johnson as Anastasia Steele, will be released on Valentine’s Day weekend 2015.