Rocio Bonilla is an author and illustrator. As an illustrator she has published several works in magazines such as El Mueble, Acosta't and Barça Kids, posters and a forty books with various publishers. As an author, she has published five titles, and her work has been translated into several languages. Rocio claims that her three children are her biggest critics and her biggest fans. If she were an animal she'd be a parakeet, and she never gets tired of drawing. She both wrote and illustrated What Color Is a Kiss?

Oriol Malet graduated from the School of Fine Arts of Barcelona. He's been illustrating since 2004 and has worked with publishers such as Teide, Barcanova, La Galera, Random House, and Animallibres.