Todd Tarpley is the author of 13 picture books, including Beep! Beep! Go to Sleep! , a 2016 ALA Notable Book, and Naughty Ninja Takes a Bath , which spent several days as the #1 children's book on Amazon at the end of 2019. His books have been featured in the New York Times ; included on Best Books of the Year lists by Huffington Post, Chicago Public Library, and Bank Street College; and translated into Chinese, German, Italian, and Danish. Other books include Would You, Could You Plant a Tree? and Would You, Could You Save the Sea? Both feature Dr. Seuss's Lorax and celebrate the fiftieth anniversary of Dr. Seuss's classic book. Three more Dr. Seuss-themed books are coming soon. Tarpley lives in New York City with his family.

Learn more at toddtarpley.com Sophie Leu is a Taiwanese illustrator based in Taipei with a particular passion for art and children's education. Her art is inspired by cultural experiences, self-introspection, everyday moments, and memories sprinkled with the bitter and sweet in life. She loves to combine traditional with digital media and always feels excited to experiment with new things. Learn more at sophieleu.com.