Cortázar’s stories are puzzles. "The Night Face Up" requires you to flip between two realities. "Axolotl" requires re-reading the first page after the last. A PDF allows you to:

: Caretakers of "mancuspias" (imaginary animals) struggle with debilitating migraines as they try to manage the creatures.

Let’s address the elephant—or rather, the tiger—in the room. Searching for a free PDF of Bestiary is common, but complicated. Cortázar died in 1984, meaning his works are still under copyright protection in most jurisdictions (life of the author + 70 years, which extends to 2054 in many countries).