Conchita Miranda was born in Barcelona, the city where she spent her childhood and early youth. Shortly after finishing her studies in Pharmacy, she moved to Madrid, her current residence. In 2008, she founded the Fundación Sobre Ruedas, a non-profit organization whose objective is to provide people with cerebral palsy with all the necessary help to improve their quality of life.

Mónica Carretero was born in Madrid, but now lives happily in Segovia, where she draws colorful illustrations and writes books for children. She assures that her job makes her feel alive. A passion well depicted in her sunny drawings and original, cheerful characters. She has illustrated dozens of books, games, and posters for Spain, England, France, Korea, Australia, and the United States. Since 2011, her work has been recognized on several occasions, being awarded at the London Book Fair, the Latino Book Awards in the United States, and also in the BookExpo America.