Camilla Reid has written, conceived, and edited children's books for more than twenty years. She is a cofounder and editorial director of Nosy Crow, where she oversees the creation of preschool and novelty books. Her aim is to make books that children want to read again and again. Camilla Reid lives in England.

Ingela P. Arrhenius worked in advertising and magazines before turning to products and books. She has created patterns for fabrics, wallpaper, stationery, packaging, and home accessories and has collaborated with toy producers. She is the author-illustrator of many books, including Animals, City, a series of pop-up books, and series of a lift-the-felt-flap board books. Ingela P. Arrhenius lives and works in Sweden with her husband and two sons.