Todd Tarpley is a picture-book author whose titles include Library Books Are Not for Eathing!, Beep! Beep! Go to Sleep!, Ten Tiny Toes, Three Grumpy Trucks, and How to Become a Knight (in Ten Easy Lessons). He lives with his family in New York.

Among the many books illustrated by Aristides Ruiz are all the Cat in the Hat Learning Library Books.

Joe Mathieu has illustrated countless children's books.