Kathryn Petras & Ross Petras, a sister-and-brother writing team, are the authors of many non-fiction books including the New York Times bestseller You’re Saying It Wrong, and compilers of the bestselling page-a-day calendar The 365 Stupidest Things Ever Said (with over 4.8 million copies sold) and its counterpart The 365 Smartest Things Ever Said. Their work has received the attention of, or has been featured in, diverse media outlets including the New York Times, the Chicago Tribune, the Wall Street Journal, Cosmopolitan, the Washington Post, the Huffington Post, Bustle, The Atlantic, the London Times, and McSweeney’s. They have also been guests on hundreds of radio and tv shows, including Good Morning America, CNN, Fox & Friends, and NPR’s Here and Now. They are currently working on a podcast for NPR affiliate KMUW entitled You’re Saying It Wrong.