Up for sale is a rare, highly collectible scholarly work titled "Vida Económica de Tenochtitlan - 1. Pochtecayotl (Arte de Traficar)." Published in 1961 by the Universidad Nacional Autónoma de México (UNAM) under the Instituto de Historia: Seminario de Cultura Náhuatl, this softcover volume is number 3 in the acclaimed "Fuentes Indígenas de la Cultura Náhuatl / Informantes de Sahagún" series.

This landmark study features the meticulous paleography, Spanish translation, introduction, and comprehensive appendices prepared by the legendary Mexican linguist and historian Ángel María Garibay Kintana. The text provides a vital direct window into the pre-Columbian Aztec economic structures, trade routes, marketplaces, and the merchant class (Pochteca) of ancient Tenochtitlan, directly utilizing the historical Nahuatl source texts compiled by Fray Bernardino de Sahagún. A foundational academic resource and an exceptional addition to collections focused on Mesoamerican history, Aztec culture, indigenous languages, and specialized Mexican anthropology.