Exploring "A Face Oculta" by Maria Tereza Maldonado: More Than Just a Story

I should consider the possibility that this is a non-existent book. If that's the case, the user might be misinformed. Alternatively, maybe it's a self-published work not widely available. I need to check if there are any references to it in major retailers like Amazon, Barnes & Noble, or Portuguese/Spanish language sites. If I can't find it, I should inform the user that the book might not exist and suggest checking the title or author for accuracy.

Luciana becomes the target of an anonymous aggressor, later revealed as Marcelo , who attacks her with offensive messages via cell phone and computer.