Fran Pintadera is an oral storyteller, facilitator of social theater, and writer of children's literature. He has published with different publishers and his work has been translated into several languages including Chinese, Turkish, English, German, and Japanese.

Joan Turu is a professional illustrator with a long career. He is dedicated to children's and youth literature and often does visits, activities, and murals in schools. He is the illustrator of I Have a Volcano by Miriam Tirado, among other books. www.joanturu.cat