Kathy and Ross Petras

Kathy and Ross Petras are the brother-and-sister co-authors of "Awkword Moments: A Lively Guide to the 100 Terms Smart People Should Know," "You're Saying It Wrong" and "That Doesn't Mean What You Think It Means: The 150 Most Commonly Misused Words and Their Tangled Histories." They've also been featured in media outlets including The New York Times, The Chicago Tribune, The Washington Post and Harvard Business Review.