The discovery and conquest of Peru : a translation of Books I to IV of Agustín de Zárate's history of these events, supplemented by eye-witness accounts of certain incidents by Francisco de Jerez, Miguel Estete, Juan Ruiz de Arce, Hernando Pizarre, Diege de Trujillo, and Alonso de Guzmán, who took part in the conquest, and by Pedro Cieza de León, Garcilaso de la Vega 'the Inca,' and José de Acesta, later historians who had first hand sources of information. - Zárate, Agustín de 1514-1585 (The Penguin classics/ editors Betty Radice and Robert Baldick, 1968)