E L James 
Fifty Shades Trilogy: Fifty Shades of Grey / Fifty Shades Darker / Fifty Shades Freed 

All three books in the phenomenally bestselling Fifty Shades trilogy, now a series of major films. Fifty Shades of Grey When literature student Anastasia Steele interviews successful entrepreneur Christian Grey, she finds him very attractive and deeply intimidating. Unworldly and innocent, Ana is shocked to find she wants this man, and excited when she realises that Christian wants her too. As they embark on a passionate love affair, Ana discovers more about her own desires, as well as the dark secrets Christian keeps hidden away from public view…Fifty Shades Darker Daunted by the dark secrets of the tormented young entrepreneur Christian Grey, Ana Steele has broken off their relationship. But when Christian proposes a new arrangement, she cannot resist. Soon she is learning more about the harrowing past of her damaged, driven and demanding lover than she ever thought possible…Fifty Shades Freed Anastasia Steele always knew that loving Christian Grey would not be easy, and being together poses challenges neither of them had anticipated. But, finally together, they have love, passion, intimacy, wealth, and a world of infinite possibilities. But just when it seems that they really do have it all, tragedy and fate combine to make Ana’s worst nightmares come true…