Giovanna Zoboli is an Italian children's book writer. In 2004, she co-founded Topipittori, a children's publishing house basedin Milan, where she currently serves as editor and art director.Her previous titles include Animal Supermarket, The Big Book ofSlumber, and I Wish I Had .(all Eerdmans). Simona Mulazzani is an Italian illustrator and artist. She has illustrated over ninety books for children and adults, including Animal Supermarket, The Big Book of Slumber, and I Wish I Had .(all Eerdmans), which won the Society of Illustrators Silver Medal.