First, if you haven't already subscribed to Jane Friedman's blog on writing, publishing, and all other things wordy, DO IT. You'll be glad you did.
Second, today's offering from Jane's blog is from Tiffany Yates Martin. It's spot on, and a perfect primer on POV.
Check out Understanding Third-Person Point of View: Omniscient, Limited, and Deep. Just spreading the good word!