Born in Barcelona, Anna Llauradó is a writer and scriptwriter. With a degree in journalism, she has written feature film scripts, short film scripts, and plays. She is also the author of children's books and novels for adults.

Maria Girón is an illustrator born in Barcelona. She studied fine arts and majored in illustration. In 2010, the jury of the Bologna International Children's Book Fair selected her work to be included in a collective exhibition dedicated to Gianni Rodari.