The contents are likely a PDF, EPUB, or TXT file. You can find free digital versions to verify your copy's integrity on the Internet Archive .
Look for recurring motifs such as the "search" ( la búsqueda ), the limitations of language, and the duality of existence between Paris and Buenos Aires. Rayuela (355) rar
Use software like 7-Zip or WinRAR to open the file. The contents are likely a PDF, EPUB, or TXT file