Juan Hernaz (born Gijón, 1975) is an illustrator and graphic designer, who works with Spanish and international clients to create images for publishing, advertising and theatrical projects. His work has been recognised with various prizes both within Spain and abroad. He delivers courses, talks and workshops and is a university professor of artistic drawing at ESNE Asturias. Fátima Fernández (born Puerto de Vega, 1972) has degree in fine arts from the Universidad de Castilla-La Mancha, and teaches secondary and sixth form students. She specialises in children's literature and has contributed to more than twenty anthologies and received prizes and recognition both in Spain and internationally. Her work has been translated into ten languages.