What is the title of Erika Mitchell's novel that reached number 1 on the "USA Today" best seller list?
E. L. James: Erika Mitchell (born 7 March 1963), known by her pen name E. L. James, is an English author. E. L. James:  She wrote the bestselling erotic romance trilogy "Fifty Shades of Grey", "Fifty Shades Darker", and "Fifty Shades Freed", along with the companion novel ""; and under "Snowqueen's Icedragon" the Twilight fan fiction "Master of the Universe" that was the basis for the Fifty Shades trilogy. Fifty Shades Darker: Fifty Shades Darker is a 2012 erotic romance novel by British author E. L. James.
i don't know