Fifty Shades of Grey is a New York Times #1 bestselling erotic fiction paperback and e-book by E. L. James. Set largely in Seattle, it is the first installment in a trilogy that traces the deepening relationship between 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 entitled Fifty Shades Darker and Fifty Shades Freed respectively.
In the book, Grey owns a penthouse in Seattle's Escala building.