"The right term is sadist," he says in "Fifty Shades Darker," the second in a planned trilogy based on E.L. James' best sellers.
REVIEW: Glutton for punishment? See '50 Shades Darker' →
She recently put out a fourth book that tells the story of the first book all over again from Christian Grey's point of view rather than that of Anastasia Steele.
EL James takes Fifty Shades of heat on Twitter →