Award-winning author Gabriela Keselman was born in Buenos Aires, Argentina and moved to Madrid, Spain during adolescence. She has worked as a teacher, coordinator of creative workshops for children and editor for various magazines. She has published about 60 children's books, translated into many languages.

The award-winning illustrator Nora Hilb was born and works in Buenos Aires, Argentina. During the 80'ies, she was jailed for four years for political reasons by the dictatorship at the time.