Melanie Spiller's blog is something that everyone who ever puts word to paper (or digital document) should read. She always has good tips for writing, spelling, grammar, punctuation, and all that stuff.
Really, it should be required reading for all English speakers.
Check out an excerpt from today (there's more to it):
Hyphen Hysteria:
Hyphens seem to cause a lot of distress. One of my clients asks me to look at advertising copy, and I can sure see why they’re such a problem. Let’s take a little stroll through Hyphenland and see if the whole situation can be simplified. Here’s the rule:
Place a hyphen when you want to connect two words and make them into one word.
[Via Melanie Spiller]