What is behind the tidal wave of street art that is sweeping through the cultural scene today? What are its artistic features? What are its codes and its language? How has its production, which was originally almost exclusively centered in the urban space, invaded galleries, bringing with it real popularity for some artists? These are some of the questions that this unique anthology attempts to answer. It retraces the history of the genre from its beginnings in the mid-1970s to the current issues that surround it today. This historical journey is dotted with portraits of the big international names from the field. Written by an expert of this artistic movement, it dives deep into one of the major currents of contemporary art.