How Old Is Mr. Tortoise?

Petty, Dev: - Dev Petty used to be a painter in movies--such as the Matrix films and others--but now she is the author of many books for children, including I Don't Want to Be a Frog and its companion titles. She lives in the San Francisco Bay Area, and you can find her at DevPetty.com. Ruth Chan spent her childhood tobogganing in Canada and her teens in China before studying art and education, and working with youth and families in underserved communities. She is the author and illustrator of The Alpactory: Ready, Pack, Go! and Thank You, Neighbor! She now writes and illustrates full-time in Brooklyn, New York. Visit ohtruth.com for more info.