Question: what is the fifty shades of grey trilogy?
Answer: Fifty Shades is a series of erotic novels by E. L. James, initially a trilogy consisting of Fifty Shades of Grey (2011), Fifty Shades Darker (2012) and Fifty Shades Freed (2012). The series traces the deepening relationship between college graduate, Anastasia Steele, and young business man, Christian Grey.