how many books are in the fifty shades of grey series

There are a total of three books in the Fifty Shades series. Fifty Shades of Grey is the first installment of the trilogy by E.L. James. The subsequent books are Fifty Shades Darker and Fifty Shades Freed.

The series originated as a piece of fan fiction based on the Twilight series of novels by Stephenie Meyer. The books have taken off in popularity. In June 2012, Fifty Shades of Grey became the fastest selling paperback of all time, surpassing Harry Potter.

The book series is now being adapted into a film. Universal Studios and Focus Features have purchased the film rights and Angelina Jolie has expressed interest in directing the film.

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