Hello, it looks like you are interested with the book Signs of the Inka Khipu. This book is authored by by author Gary Urton and have excellent reviews / and usually cost around USD18.98. At this site, bryanthamesmusic.com, we have a pdf version of this book Signs of the Inka Khipu. If you want to download the pdf for free, just click on the download button below.

Download

Registration required

Primary link