Grey Areas: How explicit literature went mainstream

I haven't read Fifty Shades of Grey and am not intending to as reviews like this are published to inform and advise so that I don't have to. It comes from Martin Saunders, who is one of the team of writers at Christianity Magazine, and is a really helpful analysis of the way this series of books has normalised the reading of pornographic literature and the serious consequences of this change.
On the train into work one morning, I spotted a lady in her 20s reading a paperback copy of Fifty Shad...