Juan Berrio (Valladolid, 1964). He has spent thirty years dedicated to illustration, comics and other aspects of graphic production, showing his images in very different media. Since his beginnings in Madriz magazine, he has not stopped writing and drawing comics, among which Calles contadas, Wednesdays —International Prize for Graphic Novel Fnac-Sins Entido 2012— and Kiosco stand out. She enjoys creating books that are difficult to classify, such as Found Phrase Notebook and Piso el barro, mud el piso. He is also the author of children's books.