Pedro Mañas (Madrid, 1981) has a degree in English Philology from Madrid's Universidad Autónoma. That was also where one of his short stories was selected for a collection of work by young authors. Since then he has won various national and international awards in the field of children's literature. Some of his prize-winning work has been translated into French, German, Portuguese, Korean and Chinese, among other languages. David Sierra Listón (Madrid 1987) gained a Bachelor of Arts degree then took further studies in Illustration at the Escuela de Arte 10 in Madrid, where his end of year project, in 2012, was awarded an Aurelio Blanco prize - presented by the Community of Madrid to outstanding students at art schools in the city.