Fifty Shades of Grey is a 2011 erotic novel by British author E. L. James. Set largely in Seattle, it is the first instalment in a trilogy that traces the deepening relationship between a college graduate, Anastasia Steele, and a young business magnate, Christian Grey. It is notable for its explicitly erotic scenes featuring elements of BDSM.
The second and third volumes are titled Fifty Shades Darker and Fifty Shades Freed, respectively. Fifty Shades of Grey has topped best-seller lists in the US, the UK and around the world. The series has sold around ten million copies worldwide, with book rights having been sold in 37 countries, and set the record as the fastest-selling paperback of all time surpassing the Harry Potter series.