Patricia T. O'Conner, a former staff editor at The New York Times Book Review, is the author of five books on language, most recently Origins of the Specious, written with her husband, Stewart Kellerman. Her first book, Woe Is I, has half a million copies in print and will soon appear in a fourth edition. She and Mr. Kellerman blog about the English language at http://www.grammarphobia.com.