An Inca Account of the Conquest of Peru - Paperbackby Titu Cusi Yupanqui (Author) Available in English for the first time, An Inca Account of the Conquest of Peru is a firsthand account of the Spanish invasion, narrated in 1570 by Diego de Castro Titu Cusi Yupanqui the penultimate ruler of the Inca dynasty to a Spanish missionary and transcribed by a mestizo assistant. The resulting hybrid document offers an Inca perspective on the Spanish conquest of Peru, filtered through the monk and his scribe.