LONDON — A copy of the upcoming “Fifty Shades of Grey” sequel has been stolen, just over a week before publication day, publisher Penguin Random House said Wednesday.

The publisher said Kent Police in southern England are investigating the theft of a finished copy of E.L. James’ book, “Grey.”

Kent Police confirmed that “officers are making inquiries after receiving a report that a book had been stolen” Monday.

The erotic trilogy has sold more than 125 million copies, and a movie released this year has grossed more than $500 million worldwide.