Suma y narracion de los Incas, que los indios llamaron Capaccuna, que fueron señores de la ciudad del Cuzco y de todo lo á ella subjeto

The work assembles origin myths and creation accounts centered on Viracocha, descriptions of the Cuzco’s site and layout, genealogies and biographies of successive Inca rulers, chronicles of battles and negotiations during early colonial contact, and observations on customs, language, and institutions. Much material is drawn from interviews and native testimony gathered soon after the conquest and from the author's long residence and role as interpreter in Cuzco, resulting in a chronicle that blends indigenous narrative rhythms, local anecdote, and administrative detail to reconstruct the history and social world of the Andean polity.