Additionally, the user might be a student needing the text for analysis, so suggesting summaries, critical essays, or study guides could be useful. They might not just want the book but also support materials. I should guide them to reputable academic sources or university libraries where such resources are available legally and for free.
If you only need the story and not the specific Vicens Vives annotations, the full text of La Celestina (also known as the Tragicomedia de Calisto y Melibea ) is in the public domain: la+celestina+vicens+vives+filetype+pdf+gratis+better