Complex sentence: In 1560 he published his "Grammatica o arte de la lengua general de los indios de los Reynos del Perú" in Valladolid, the first book printed in the Quechua language.
Split into simpler sentences: In 1560 he published his "Grammatica o arte de la lengua general de los indios de los Reynos del Perú" in Valladolid. It was the first book printed in the Quechua language.