The extensive work presented here takes a new look at the prehistoric art preserved on various megalithic monuments from the northwestern Iberian Peninsular. The initial chapters (1-3) deal with the objectives of the study, the history of research of megalithic art in the Iberian Peninsula, and the discussion on the area of study. In chapter 4, the research methodologies applied are described in detail: fieldwork (identification, cataloguing and diagnosis), the analysis of stone and paint samples (including radiocarbon dating), and the systems used for the recording of the images. In chapter...