Founded in Monterrey, Mexico, in 1998, Tercerunquinto is a collective made up of Julio Castro, Gabriel Cazares and Rolando Flores. The group has worked on projects intervening in both public and private spaces, questioning the limits between the two spheres, breaking down the elements these systems are composed of, and dismantling the logical order of their interrelations. The history of post-revolutionary political parties is told through the photographic archives of the group Tercerunquinto. This book analyses of the use of public murals as spaces for political party propaganda and the way in which murals become an economic opportunity for the inhabitants of Mexico's marginalised areas. Text in English and Spanish.