Gary Urton: 7 books

Inka khipus—spun and plied cords that record information through intricate patterns of knots and colors—constitute the only available primary sources on the Inka empire not mediated by the hands, minds, and motives of the conquering Europeans. As such, they offer direct insight into the worldview...

Unraveling all the mysteries of the khipu—the knotted string device used by the Inka to record both statistical data and narrative accounts of myths, histories, and genealogies—will require an understanding of how number values and relations may have been used to encode information on social,...

In an age when computers process immense amounts of information by the manipulation of sequences of 1s and 0s, it remains a frustrating mystery how prehistoric Inka recordkeepers encoded a tremendous variety and quantity of data using only knotted and dyed strings. Yet the comparison between computers...

Above Misminay, the sky also is so divided by the alternation of the two axes of the Milky Way passing through the zenith. This mirror-image quadri-partition of terrestrial and celestial spheres is such that a point within one of the quarters of the earth is related to a point within the corresponding...

Stories about objects left in the wake of transactions, from cryptocurrencies to leaf-imprinted banknotes to records kept with knotted string. Museums are full of the coins, notes, beads, shells, stones, and other objects people have exchanged for millennia. But what about the debris, the things...

In the year 1572, the Spanish chronicler Sarmiento de Gamboa completed one of the earliest official versions of the history of the Inka empire. In his account, he stated that the ancestors of the Inkas originated from a cave at a place to the south of the imperial city of Cuzco called Pacariqtambo. The...

The Inca empire was the largest state in the Americas at the time of the Spanish invasion in 1532. From its political center in the Cuzco Valley, it controlled much of the area included in the modern nations of Ecuador, Peru, Chile, and Bolivia. But how the Inca state became a major pan-Andean power...