Police have launched an investigation amid fears that the work could be sold on the black market.
Some are now concerned that excerpts from the highly anticipated erotic novel will be released to the highest bidder, reported E! Online.
CPI books, who is printing the "Fifty Shades of Grey" companion novel, did not seem too concerned about the investigation.
"I doubt it is gone missing from one of our printworks seeing as I haven't heard about it," CPI said.
The original books in James's erotic trilogy have sold more than 125 million copies worldwide. The first film from the franchise made a whopping USD 570 million worldwide.