There are only one or two things that are guaranteed to put me right off a book and explicit sex is one of them. But just what constitutes explicit sex?
Hmm. Not too sure about that, after all what is explicit to me may not be explicit to the next person. HOWEVER I think we can safely say that what used to be considered explicit would nowadays, generally speaking, not even cause the most delicate of souls to blush.
Take for example perhaps one of the most notorious book of all times - yes, I'm talking LADY CHATTERLEY'S LOVER which in it's day was considered outrageous and an insult to common decency.
You may be interested to know that a book by C.H. Rolph, THE TRIAL OF LADY CHATTERLEY, detailing the trial is available.