Mary Lyn Ray has written many acclaimed books for children, including Stars, Pumpkins, Mud, The Thank You Book, and Go to Sleep, Little Farm. She lives in South Danbury, New Hampshire, on an old farm where there are big rocks and pocket rocks, medium-sized and big, big rocks—all just right for saying hello to.

Felicita Sala is a self-taught illustrator. She studied philosophy and languages in Australia but then decided she wanted to create pictures. Since moving to Italy, she has worked on a few stop-motion animation projects along with her husband, Gianluca, but her passion lies in making picture books. She gets inspired by nature, children, mid-century illustration, folk art, and architecture. She lives in Rome with Gianluca and their daughter, Nina.