Fifty Shades of Grey hits 100m sales worldwide

%VIRTUAL-SkimlinksPromo%The trilogy of EL James's erotic romance novel Fifty Shades Of Grey has sold 100 million copies worldwide.

The series - dubbed "mummy porn" - is fast becoming one of the most widely read book series. It has been proved so successful that the film version has been created and is expected to hit the screens in time for Valentine's Day 2015.