Darrin Lunde worked for more than twenty years as a mammalogist at the American Museum of Natural History and is now the collection manager in the Division of Mammals at the Smithsonian's National Museum of Natural History in Washington, DC. He has written several books introducing animals to children, including the Theodor Seuss Geisel Honor book Hello, Bumblebee Bat, as well as Whose Poop Is That? and other books in the Whose Is THAT? series.

Erica J. Chen has a soft spot for drawing awkward animals, which she strives to make loveable and relatable. She is the illustrator of Purr-Im Time and Ukulele Dreams. www.ericajchen.com