Mª ISABEL SÁNCHEZ VERGARA, born in Barcelona, Spain, is a writer and creative director in constant search of new concepts for children's books. Working for more than fifteen years for clients in top advertising agencies, her books combine creativity with learning, aiming to establish a new and fresh relationship between children and pop culture.
ANA SANFELIPPO studied graphic design at the University of Buenos Aires, specialising in typography. She uses acrylics and inks in her illustrations, and creates artwork for patterns, products, books and magazines. She also lectures at the University of Buenos Aires.