Jane Kurtz was born in Portland, Oregon, but spent most of her childhood in Ethiopia. Jane speaks about being an author at schools and conferences and helped start Ethiopia Reads (EthiopiaReads.org), a nonprofit that has opened the first libraries for children in Ethiopia. She is the author of many books for children, including What Do They Do with All that Poo?, illustrated by Allison Black; Do Kangaroos Wear Seat Belts?, illustrated by Jane Manning; Anna Was Here; Clara the Triumphant Rhinoceros, illustrated by Claire Messer; and the American Girl book Lanie.

Claire Messer is a graduate of the Cambridge School of Art. She works by hand, using traditional printmaking processes to create her picture books, which include the Busy Bus series by Jody Jensen Shaffer, Clara the Triumphant Rhinoceros by Jane Kurtz, and her own Grumpy Pants. She lives in the UK.