That darn apostrophe.

I'm fairly sure that when reading almost anything we can all find something that we don't like. One of the things I find annoying is the misuse of the apostrophe. I have come across an interesting (at least to me) site that I think authors might find useful. Although a UK site, it does apply to American usage of our language.

http://www.eng-lang.co.uk/apostrophe_rules.htm