Danica McKellar is the New York Times bestselling author of groundbreaking math books, including the picture books Goodnight, Numbers and Ten Magic Butterflies 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. Maranda Maberry is a freelance illustrator who's had a pencil in her hand for as long as she can remember. Her passion led her to pursue an art degree, which was then followed by a colorful illustration career. She lives in the Pacific Northwest with her designer husband and twin daughters.

Visit her at marandamaberry.com.