Davide Cali began his career in 1994 as a cartoon writer for the Italian magazine Linus. He began writing children's books in 2000, and since then he has published twenty books; the first four of which he illustrated himself. His book Piano Piano received a 2006 Bologna Ragazzi Special Award and the Switzerland Enfantaisies Prize. He is also the coauthor of I Can't Wait, winner of the 2005 Baobob Prize. Calì has received the Belgium Libbylit Award, and France's SNCF award. His books have been published in North America, France, Italy, and Austria, and translations of his books have been published in eighteen countries.

Raphaëlle Barbanègre has written and illustrated many books for children, including La folle aventure de Doudou a Paris, Le petit garçon qui aimait le rose and Super potamo, also written by Davide Cali. She lives in Montreal.