Buenos Aires: Ediciones Lariviere, 2010. color and b/w plates, bibl., wrps. OCLC: 746598455. Hidden and predestined to be in the dark from its origin the mural "Ejercicio plástico" (Plastic study, 1933) by noted Mexican muralist David Alfaro Siqueiros, is one of Latin America's masterworks. Its story has the ingredients of.....