Karina Sosa Castañeda was born in the late 1980s in Oaxaca. She has published stories in Después del derrumbe: Narrativa joven de Oaxaca (2009) and Cartografía de la literatura oaxaqueña actual II (2012), both with Editorial Almadía. In 2018, together with a group of friends, she founded the Zopilote Rey project, which began as an art and literature magazine, later becoming a publisher that currently has a portfolio of six titles. Karina herself has also developed several writing workshops and reading clubs. In 2020 Editorial Almadía published her debut novel Caballo Fantasma, which in 2021 won Amazon Mexico’s First Novel Prize.