Artist book by artist and editorial designer Alfonso Santiago. His artistic work is based on a reflection on the consumption of images and other cultural products. and the way in which they influence learning, through installations, montages and photographs. He currently coordinates the editorial project of ESPAC. Piedra ediciones is the name of a series of publications created by the artist and his friends The realization of this publication was possible thanks to the support of the PAC / Covid-19 Fund of the Contemporary Art Board