Danica McKellar is the New York Times bestselling author of groundbreaking math books, including the picture books Goodnight, Numbers and the middle school hit Kiss My Math, and is a summa cum laude graduate of UCLA with a degree in mathematics. She is also well known for her acting roles on The Wonder Years, The West Wing, and multiple Hallmark Channel movies, and as a quarterfinalist on Dancing with the Stars. She lives with her family in Los Angeles. Find her on Facebook, Twitter, and Instagram (and more) at @danicamckellar, and visit McKellarMath.com.