Todd Parr has inspired and empowered children around the world with his bold images and positive messages. He is the bestselling author of more than forty books, including The Joyful Book, The Kindness Book, Love the World, The Goodbye Book, The Family Book, The I Love You Book, and It's Okay to be Different. He lives in Berkeley, California.

Liza Charlesworth is the author of more than 400 books for children, which sell all around the globe. She specializes in funny stories that teach kids how to read including the top-selling First Little Readers, First Little Comics, and Buddy Readers. She is the recipient of twelve Ed Press Awards and four Teacher's Choice Awards and has been a featured speaker at the NYC Publishing Institute and the COEX Conference in Seoul, South Korea. She lives in New York City with her husband and twin sons, who provide daily inspiration.