"Chalchihuicozcatl” is a volume of Nahuatl poetry by Gustavo Zapoteco Sideño, a renowned Mexican poet. It is also the second book in „Totlahtol” series which is the result of international collaboration between indigenous and western scholars from the Faculty of "Artes Liberales", University of Warsaw and the Zacatecas Institute for Teaching and Research in Ethnology (IDIEZ) in Mexico.