You can find digital editions of Cántico por Leibowitz through various platforms:
Cántico por Leibowitz : Walter M. Miller Jr - Internet Archive
Walter M. Miller Jr.'s (originally published as A Canticle for Leibowitz in 1959) is a seminal post-apocalyptic novel that explores the cyclical nature of human civilization, the tension between science and religion, and the enduring quest for knowledge. Overview of the Work Cantico Por Leibowitz Walter M Miller Jr epub
Miller’s experience as a crew member on the flight that bombed the Monte Cassino monastery during WWII deeply influenced his themes of the vulnerability of cultural memory and the tragedy of war.
The Internet Archive hosts a Spanish version. You can find digital editions of Cántico por