Juan Berrio has been devoted to the world of illustration for more than 20 years. As a cartoonist, his recent titles include Calles contadas (2008, self-published) and Miércoles (2012, Sins Entido). He is also the author of children's books and enjoys doing experiments in graphic art, such as Aritmética ilustrada (2006, Astiberri) and other illustrated books such as Plaza de Cibeles, Plaza de Oriente, and Puerta del Sol (2011-2012, Treseditores). Berrio was shortlisted for the National Comic Award in 2011 with Dentro de nada, and in 2012 he won the fifth edition of the FNAC-Sins Entido International Graphic Novel Award with Miércoles.