BiblioVault may have an electronic file which would meet your requirements for this title:
The Cord Keepers: Khipus and Cultural Life in a Peruvian Village
Frank L. Salomon, Walter D. Mignolo, Irene Silverblatt and Sonia Saldívar-Hull
Paper: 978-0-8223-3390-6
Cloth: 978-0-8223-3379-1
Electronic: 978-0-8223-8617-9