Narrative ThreadsThe Inka Empire stretched over much of the length and breadth of the South American Andes, encompassed elaborately planned cities linked by a complex network of roads and messengers, and created astonishing works of architecture and artistry and a compelling mythologyall without the aid of a graphic writing system. Instead, the Inkas' records consisted of devices made of knotted and dyed stringscalled khipuon which they recorded information pertaining