Forero, Eduardo Andrés Sa, La Guardia Indígena Nasa y el Arte de la Resistencia Pacifica , Ediciones Colección Étnica: Diálogos Interculturales, Fundación Hemera, 2008, pp. 143 This book combines an anthropological with a political approach, describing the origin, development and activities of the Indigenous Guard of the Nasa People of Cauca (Colombia) with testimonies from some of their leaders.