Previously published as part of Grammar Girl's Quick and Dirty Tips for Better Writing.

Online sensation Grammar Girl makes punctuation fun and easy in Grammar Girl's Punctuation 911.

Mignon Fogarty, a.k.a. Grammar Girl, is determined to wipe out bad punctuation—but she's also determined to make the process as painless as possible. A couple of years ago, she created a weekly podcast to tackle some of the most common mistakes people make with grammar. The podcasts have now been downloaded more than twenty million times, and Mignon has dispensed grammar tips on Oprah and appeared on the pages of The New York Times, The Wall Street Journal, and USA Today.

Now, Mignon tackles the most commonly asked questions regarding punctuation. From semi-colons to serial commas and ellipses to asterisks, Mignon offers memory tricks and clear explanations that will help readers recall and apply those troublesome punctuation rules.